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Finding the Fourth Proportional to 172,562.92, 238,119.78 and 97,124.20

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Solution

The fourth proportional to 172,562.92, 238,119.78 and 97,124.20 is: 134,021.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,562.92 : 238,119.78 = 97,124.20 : x
  2. Step 2: Convert to fraction form
    172,562.92/238,119.78 = 97,124.20/x
  3. Step 3: Cross multiply
    172,562.92x = 238,119.78 × 97,124.20
  4. Step 4: Simplify right side
    172,562.92x = 23,127,193,136.68
  5. Step 5: Solve for x
    x = 23,127,193,136.68/172,562.92
  6. Step 6: Final answer
    x = 134,021.80

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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.