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Finding the Fourth Proportional to 93,312,239.80, 139,968,359.70 and 87,340,271.80

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Solution

The fourth proportional to 93,312,239.80, 139,968,359.70 and 87,340,271.80 is: 131,010,407.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,239.80 : 139,968,359.70 = 87,340,271.80 : x
  2. Step 2: Convert to fraction form
    93,312,239.80/139,968,359.70 = 87,340,271.80/x
  3. Step 3: Cross multiply
    93,312,239.80x = 139,968,359.70 × 87,340,271.80
  4. Step 4: Simplify right side
    93,312,239.80x = 12,224,874,579,598,166
  5. Step 5: Solve for x
    x = 12,224,874,579,598,166/93,312,239.80
  6. Step 6: Final answer
    x = 131,010,407.70

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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.