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Finding the Fourth Proportional to 78,162.52, 117,244.93 and 24,862.73

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Solution

The fourth proportional to 78,162.52, 117,244.93 and 24,862.73 is: 37,294.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,162.52 : 117,244.93 = 24,862.73 : x
  2. Step 2: Convert to fraction form
    78,162.52/117,244.93 = 24,862.73/x
  3. Step 3: Cross multiply
    78,162.52x = 117,244.93 × 24,862.73
  4. Step 4: Simplify right side
    78,162.52x = 2,915,028,514.39
  5. Step 5: Solve for x
    x = 2,915,028,514.39/78,162.52
  6. Step 6: Final answer
    x = 37,294.45

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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.