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Finding the Fourth Proportional to 72,306.96, 108,460.68 and 37,256.88

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Solution

The fourth proportional to 72,306.96, 108,460.68 and 37,256.88 is: 55,885.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,306.96 : 108,460.68 = 37,256.88 : x
  2. Step 2: Convert to fraction form
    72,306.96/108,460.68 = 37,256.88/x
  3. Step 3: Cross multiply
    72,306.96x = 108,460.68 × 37,256.88
  4. Step 4: Simplify right side
    72,306.96x = 4,040,906,539.48
  5. Step 5: Solve for x
    x = 4,040,906,539.48/72,306.96
  6. Step 6: Final answer
    x = 55,885.44

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Similar ratio
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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.