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Finding the Fourth Proportional to 59,127.60, 88,691.40 and 54,289.20

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Solution

The fourth proportional to 59,127.60, 88,691.40 and 54,289.20 is: 81,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,127.60 : 88,691.40 = 54,289.20 : x
  2. Step 2: Convert to fraction form
    59,127.60/88,691.40 = 54,289.20/x
  3. Step 3: Cross multiply
    59,127.60x = 88,691.40 × 54,289.20
  4. Step 4: Simplify right side
    59,127.60x = 4,814,985,152.88
  5. Step 5: Solve for x
    x = 4,814,985,152.88/59,127.60
  6. Step 6: Final answer
    x = 81,433.80

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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.