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Finding the Fourth Proportional to 132,459.60, 198,908.10 and 88,282.20

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Solution

The fourth proportional to 132,459.60, 198,908.10 and 88,282.20 is: 132,569.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,459.60 : 198,908.10 = 88,282.20 : x
  2. Step 2: Convert to fraction form
    132,459.60/198,908.10 = 88,282.20/x
  3. Step 3: Cross multiply
    132,459.60x = 198,908.10 × 88,282.20
  4. Step 4: Simplify right side
    132,459.60x = 17,560,044,665.82
  5. Step 5: Solve for x
    x = 17,560,044,665.82/132,459.60
  6. Step 6: Final answer
    x = 132,569.06

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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.