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Finding the Fourth Proportional to 71,366.58, 107,116.29 and 36,332.46

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Solution

The fourth proportional to 71,366.58, 107,116.29 and 36,332.46 is: 54,532.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,366.58 : 107,116.29 = 36,332.46 : x
  2. Step 2: Convert to fraction form
    71,366.58/107,116.29 = 36,332.46/x
  3. Step 3: Cross multiply
    71,366.58x = 107,116.29 × 36,332.46
  4. Step 4: Simplify right side
    71,366.58x = 3,891,798,321.77
  5. Step 5: Solve for x
    x = 3,891,798,321.77/71,366.58
  6. Step 6: Final answer
    x = 54,532.50

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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.