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Finding the Fourth Proportional to 147,092.80, 220,531.20 and 58,302.40

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Solution

The fourth proportional to 147,092.80, 220,531.20 and 58,302.40 is: 87,410.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,092.80 : 220,531.20 = 58,302.40 : x
  2. Step 2: Convert to fraction form
    147,092.80/220,531.20 = 58,302.40/x
  3. Step 3: Cross multiply
    147,092.80x = 220,531.20 × 58,302.40
  4. Step 4: Simplify right side
    147,092.80x = 12,857,498,234.88
  5. Step 5: Solve for x
    x = 12,857,498,234.88/147,092.80
  6. Step 6: Final answer
    x = 87,410.79

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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.