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Finding the Fourth Proportional to 93,340,220.80, 139,968,340.80 and 35,813,372.80

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Solution

The fourth proportional to 93,340,220.80, 139,968,340.80 and 35,813,372.80 is: 53,703,948.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,340,220.80 : 139,968,340.80 = 35,813,372.80 : x
  2. Step 2: Convert to fraction form
    93,340,220.80/139,968,340.80 = 35,813,372.80/x
  3. Step 3: Cross multiply
    93,340,220.80x = 139,968,340.80 × 35,813,372.80
  4. Step 4: Simplify right side
    93,340,220.80x = 5,012,738,369,267,850
  5. Step 5: Solve for x
    x = 5,012,738,369,267,850/93,340,220.80
  6. Step 6: Final answer
    x = 53,703,948.05

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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.