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Finding the Fourth Proportional to 132,056.70, 198,522.45 and 112,811.10

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Solution

The fourth proportional to 132,056.70, 198,522.45 and 112,811.10 is: 169,590.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,056.70 : 198,522.45 = 112,811.10 : x
  2. Step 2: Convert to fraction form
    132,056.70/198,522.45 = 112,811.10/x
  3. Step 3: Cross multiply
    132,056.70x = 198,522.45 × 112,811.10
  4. Step 4: Simplify right side
    132,056.70x = 22,395,535,959.20
  5. Step 5: Solve for x
    x = 22,395,535,959.20/132,056.70
  6. Step 6: Final answer
    x = 169,590.30

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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.