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Finding the Fourth Proportional to 93,312,139.70, 139,968,209.55 and 53,001,355.70

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Solution

The fourth proportional to 93,312,139.70, 139,968,209.55 and 53,001,355.70 is: 79,502,033.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,139.70 : 139,968,209.55 = 53,001,355.70 : x
  2. Step 2: Convert to fraction form
    93,312,139.70/139,968,209.55 = 53,001,355.70/x
  3. Step 3: Cross multiply
    93,312,139.70x = 139,968,209.55 × 53,001,355.70
  4. Step 4: Simplify right side
    93,312,139.70x = 7,418,504,861,051,688
  5. Step 5: Solve for x
    x = 7,418,504,861,051,688/93,312,139.70
  6. Step 6: Final answer
    x = 79,502,033.55

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.