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Finding the Fourth Proportional to 88,750.20, 133,092.90 and 29,587.80

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Solution

The fourth proportional to 88,750.20, 133,092.90 and 29,587.80 is: 44,370.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,750.20 : 133,092.90 = 29,587.80 : x
  2. Step 2: Convert to fraction form
    88,750.20/133,092.90 = 29,587.80/x
  3. Step 3: Cross multiply
    88,750.20x = 133,092.90 × 29,587.80
  4. Step 4: Simplify right side
    88,750.20x = 3,937,926,106.62
  5. Step 5: Solve for x
    x = 3,937,926,106.62/88,750.20
  6. Step 6: Final answer
    x = 44,370.90

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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.