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Finding the Fourth Proportional to 72,706.93, 109,090.45 and 32,159.13

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Solution

The fourth proportional to 72,706.93, 109,090.45 and 32,159.13 is: 48,251.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,706.93 : 109,090.45 = 32,159.13 : x
  2. Step 2: Convert to fraction form
    72,706.93/109,090.45 = 32,159.13/x
  3. Step 3: Cross multiply
    72,706.93x = 109,090.45 × 32,159.13
  4. Step 4: Simplify right side
    72,706.93x = 3,508,253,594.42
  5. Step 5: Solve for x
    x = 3,508,253,594.42/72,706.93
  6. Step 6: Final answer
    x = 48,251.99

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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.