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Finding the Fourth Proportional to 107,065.92, 160,657.20 and 64,842.24

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Solution

The fourth proportional to 107,065.92, 160,657.20 and 64,842.24 is: 97,298.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,065.92 : 160,657.20 = 64,842.24 : x
  2. Step 2: Convert to fraction form
    107,065.92/160,657.20 = 64,842.24/x
  3. Step 3: Cross multiply
    107,065.92x = 160,657.20 × 64,842.24
  4. Step 4: Simplify right side
    107,065.92x = 10,417,372,720.13
  5. Step 5: Solve for x
    x = 10,417,372,720.13/107,065.92
  6. Step 6: Final answer
    x = 97,298.68

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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.