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Finding the Fourth Proportional to 110,079.86, 151,761.93 and 71,763.62

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Solution

The fourth proportional to 110,079.86, 151,761.93 and 71,763.62 is: 98,937.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,079.86 : 151,761.93 = 71,763.62 : x
  2. Step 2: Convert to fraction form
    110,079.86/151,761.93 = 71,763.62/x
  3. Step 3: Cross multiply
    110,079.86x = 151,761.93 × 71,763.62
  4. Step 4: Simplify right side
    110,079.86x = 10,890,985,502.56
  5. Step 5: Solve for x
    x = 10,890,985,502.56/110,079.86
  6. Step 6: Final answer
    x = 98,937.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.