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Finding the Fourth Proportional to 93,254,854.80, 139,882,282.20 and 87,581,485.20

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Solution

The fourth proportional to 93,254,854.80, 139,882,282.20 and 87,581,485.20 is: 131,372,227.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,254,854.80 : 139,882,282.20 = 87,581,485.20 : x
  2. Step 2: Convert to fraction form
    93,254,854.80/139,882,282.20 = 87,581,485.20/x
  3. Step 3: Cross multiply
    93,254,854.80x = 139,882,282.20 × 87,581,485.20
  4. Step 4: Simplify right side
    93,254,854.80x = 12,251,098,028,241,522
  5. Step 5: Solve for x
    x = 12,251,098,028,241,522/93,254,854.80
  6. Step 6: Final answer
    x = 131,372,227.80

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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.