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Finding the Fourth Proportional to 93,550.13, 140,347.11 and 63,981.89

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Solution

The fourth proportional to 93,550.13, 140,347.11 and 63,981.89 is: 95,987.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,550.13 : 140,347.11 = 63,981.89 : x
  2. Step 2: Convert to fraction form
    93,550.13/140,347.11 = 63,981.89/x
  3. Step 3: Cross multiply
    93,550.13x = 140,347.11 × 63,981.89
  4. Step 4: Simplify right side
    93,550.13x = 8,979,673,353.84
  5. Step 5: Solve for x
    x = 8,979,673,353.84/93,550.13
  6. Step 6: Final answer
    x = 95,987.82

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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.