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Finding the Fourth Proportional to 172,500.80, 238,041.12 and 97,044.80

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Solution

The fourth proportional to 172,500.80, 238,041.12 and 97,044.80 is: 133,916.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,500.80 : 238,041.12 = 97,044.80 : x
  2. Step 2: Convert to fraction form
    172,500.80/238,041.12 = 97,044.80/x
  3. Step 3: Cross multiply
    172,500.80x = 238,041.12 × 97,044.80
  4. Step 4: Simplify right side
    172,500.80x = 23,100,652,882.18
  5. Step 5: Solve for x
    x = 23,100,652,882.18/172,500.80
  6. Step 6: Final answer
    x = 133,916.21

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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.