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Finding the Fourth Proportional to 172,065.75, 237,488.70 and 95,611.13

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Solution

The fourth proportional to 172,065.75, 237,488.70 and 95,611.13 is: 131,964.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,065.75 : 237,488.70 = 95,611.13 : x
  2. Step 2: Convert to fraction form
    172,065.75/237,488.70 = 95,611.13/x
  3. Step 3: Cross multiply
    172,065.75x = 237,488.70 × 95,611.13
  4. Step 4: Simplify right side
    172,065.75x = 22,706,561,781.79
  5. Step 5: Solve for x
    x = 22,706,561,781.79/172,065.75
  6. Step 6: Final answer
    x = 131,964.45

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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.