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Finding the Fourth Proportional to 88,257.60, 132,418.80 and 35,672.40

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Solution

The fourth proportional to 88,257.60, 132,418.80 and 35,672.40 is: 53,521.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,257.60 : 132,418.80 = 35,672.40 : x
  2. Step 2: Convert to fraction form
    88,257.60/132,418.80 = 35,672.40/x
  3. Step 3: Cross multiply
    88,257.60x = 132,418.80 × 35,672.40
  4. Step 4: Simplify right side
    88,257.60x = 4,723,696,401.12
  5. Step 5: Solve for x
    x = 4,723,696,401.12/88,257.60
  6. Step 6: Final answer
    x = 53,521.70

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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.