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Finding the Fourth Proportional to 72,117.96, 108,125.08 and 32,654.76

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Solution

The fourth proportional to 72,117.96, 108,125.08 and 32,654.76 is: 48,958.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,117.96 : 108,125.08 = 32,654.76 : x
  2. Step 2: Convert to fraction form
    72,117.96/108,125.08 = 32,654.76/x
  3. Step 3: Cross multiply
    72,117.96x = 108,125.08 × 32,654.76
  4. Step 4: Simplify right side
    72,117.96x = 3,530,798,537.38
  5. Step 5: Solve for x
    x = 3,530,798,537.38/72,117.96
  6. Step 6: Final answer
    x = 48,958.66

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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.