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Finding the Fourth Proportional to 123,050.44, 169,847.13 and 71,380.59

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Solution

The fourth proportional to 123,050.44, 169,847.13 and 71,380.59 is: 98,526.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,050.44 : 169,847.13 = 71,380.59 : x
  2. Step 2: Convert to fraction form
    123,050.44/169,847.13 = 71,380.59/x
  3. Step 3: Cross multiply
    123,050.44x = 169,847.13 × 71,380.59
  4. Step 4: Simplify right side
    123,050.44x = 12,123,788,349.21
  5. Step 5: Solve for x
    x = 12,123,788,349.21/123,050.44
  6. Step 6: Final answer
    x = 98,526.98

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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.