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Finding the Fourth Proportional to 172,130.70, 237,519.63 and 95,649.42

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Solution

The fourth proportional to 172,130.70, 237,519.63 and 95,649.42 is: 131,984.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,130.70 : 237,519.63 = 95,649.42 : x
  2. Step 2: Convert to fraction form
    172,130.70/237,519.63 = 95,649.42/x
  3. Step 3: Cross multiply
    172,130.70x = 237,519.63 × 95,649.42
  4. Step 4: Simplify right side
    172,130.70x = 22,718,614,848.11
  5. Step 5: Solve for x
    x = 22,718,614,848.11/172,130.70
  6. Step 6: Final answer
    x = 131,984.68

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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.