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Finding the Fourth Proportional to 86,337.92, 129,267.71 and 44,127.10

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Solution

The fourth proportional to 86,337.92, 129,267.71 and 44,127.10 is: 66,068.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,337.92 : 129,267.71 = 44,127.10 : x
  2. Step 2: Convert to fraction form
    86,337.92/129,267.71 = 44,127.10/x
  3. Step 3: Cross multiply
    86,337.92x = 129,267.71 × 44,127.10
  4. Step 4: Simplify right side
    86,337.92x = 5,704,208,793.45
  5. Step 5: Solve for x
    x = 5,704,208,793.45/86,337.92
  6. Step 6: Final answer
    x = 66,068.41

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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.