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Finding the Fourth Proportional to 221,656.20, 332,387.10 and 88,492.20

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Solution

The fourth proportional to 221,656.20, 332,387.10 and 88,492.20 is: 132,699.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,656.20 : 332,387.10 = 88,492.20 : x
  2. Step 2: Convert to fraction form
    221,656.20/332,387.10 = 88,492.20/x
  3. Step 3: Cross multiply
    221,656.20x = 332,387.10 × 88,492.20
  4. Step 4: Simplify right side
    221,656.20x = 29,413,665,730.62
  5. Step 5: Solve for x
    x = 29,413,665,730.62/221,656.20
  6. Step 6: Final answer
    x = 132,699.49

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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.