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Finding the Fourth Proportional to 71,296.20, 106,944.30 and 59,632.20

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Solution

The fourth proportional to 71,296.20, 106,944.30 and 59,632.20 is: 89,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,296.20 : 106,944.30 = 59,632.20 : x
  2. Step 2: Convert to fraction form
    71,296.20/106,944.30 = 59,632.20/x
  3. Step 3: Cross multiply
    71,296.20x = 106,944.30 × 59,632.20
  4. Step 4: Simplify right side
    71,296.20x = 6,377,323,886.46
  5. Step 5: Solve for x
    x = 6,377,323,886.46/71,296.20
  6. Step 6: Final answer
    x = 89,448.30

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1.5x scale

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.