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Finding the Fourth Proportional to 119,803.92, 165,337.57 and 69,502.92

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Solution

The fourth proportional to 119,803.92, 165,337.57 and 69,502.92 is: 95,918.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,803.92 : 165,337.57 = 69,502.92 : x
  2. Step 2: Convert to fraction form
    119,803.92/165,337.57 = 69,502.92/x
  3. Step 3: Cross multiply
    119,803.92x = 165,337.57 × 69,502.92
  4. Step 4: Simplify right side
    119,803.92x = 11,491,443,900.70
  5. Step 5: Solve for x
    x = 11,491,443,900.70/119,803.92
  6. Step 6: Final answer
    x = 95,918.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.