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Finding the Fourth Proportional to 93,752.01, 140,463.95 and 78,057.86

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Solution

The fourth proportional to 93,752.01, 140,463.95 and 78,057.86 is: 116,950.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,752.01 : 140,463.95 = 78,057.86 : x
  2. Step 2: Convert to fraction form
    93,752.01/140,463.95 = 78,057.86/x
  3. Step 3: Cross multiply
    93,752.01x = 140,463.95 × 78,057.86
  4. Step 4: Simplify right side
    93,752.01x = 10,964,314,251.54
  5. Step 5: Solve for x
    x = 10,964,314,251.54/93,752.01
  6. Step 6: Final answer
    x = 116,950.18

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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.