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Finding the Fourth Proportional to 71,296.40, 106,944.60 and 59,632.40

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Solution

The fourth proportional to 71,296.40, 106,944.60 and 59,632.40 is: 89,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,296.40 : 106,944.60 = 59,632.40 : x
  2. Step 2: Convert to fraction form
    71,296.40/106,944.60 = 59,632.40/x
  3. Step 3: Cross multiply
    71,296.40x = 106,944.60 × 59,632.40
  4. Step 4: Simplify right side
    71,296.40x = 6,377,363,165.04
  5. Step 5: Solve for x
    x = 6,377,363,165.04/71,296.40
  6. Step 6: Final answer
    x = 89,448.60

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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.