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Finding the Fourth Proportional to 172,215.13, 237,655.59 and 95,741.20

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Solution

The fourth proportional to 172,215.13, 237,655.59 and 95,741.20 is: 132,122.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,215.13 : 237,655.59 = 95,741.20 : x
  2. Step 2: Convert to fraction form
    172,215.13/237,655.59 = 95,741.20/x
  3. Step 3: Cross multiply
    172,215.13x = 237,655.59 × 95,741.20
  4. Step 4: Simplify right side
    172,215.13x = 22,753,431,373.31
  5. Step 5: Solve for x
    x = 22,753,431,373.31/172,215.13
  6. Step 6: Final answer
    x = 132,122.14

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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.