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Finding the Fourth Proportional to 93,313,195.20, 139,969,792.80 and 53,002,411.20

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Solution

The fourth proportional to 93,313,195.20, 139,969,792.80 and 53,002,411.20 is: 79,503,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,313,195.20 : 139,969,792.80 = 53,002,411.20 : x
  2. Step 2: Convert to fraction form
    93,313,195.20/139,969,792.80 = 53,002,411.20/x
  3. Step 3: Cross multiply
    93,313,195.20x = 139,969,792.80 × 53,002,411.20
  4. Step 4: Simplify right side
    93,313,195.20x = 7,418,736,513,564,400
  5. Step 5: Solve for x
    x = 7,418,736,513,564,400/93,313,195.20
  6. Step 6: Final answer
    x = 79,503,616.80

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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.