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Finding the Fourth Proportional to 132,294.48, 198,583.92 and 53,460.48

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Solution

The fourth proportional to 132,294.48, 198,583.92 and 53,460.48 is: 80,248.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,294.48 : 198,583.92 = 53,460.48 : x
  2. Step 2: Convert to fraction form
    132,294.48/198,583.92 = 53,460.48/x
  3. Step 3: Cross multiply
    132,294.48x = 198,583.92 × 53,460.48
  4. Step 4: Simplify right side
    132,294.48x = 10,616,391,683.48
  5. Step 5: Solve for x
    x = 10,616,391,683.48/132,294.48
  6. Step 6: Final answer
    x = 80,248.18

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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.