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Finding the Fourth Proportional to 132,560.80, 198,841.20 and 118,045.60

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Solution

The fourth proportional to 132,560.80, 198,841.20 and 118,045.60 is: 177,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,560.80 : 198,841.20 = 118,045.60 : x
  2. Step 2: Convert to fraction form
    132,560.80/198,841.20 = 118,045.60/x
  3. Step 3: Cross multiply
    132,560.80x = 198,841.20 × 118,045.60
  4. Step 4: Simplify right side
    132,560.80x = 23,472,328,758.72
  5. Step 5: Solve for x
    x = 23,472,328,758.72/132,560.80
  6. Step 6: Final answer
    x = 177,068.40

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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.