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Finding the Fourth Proportional to 173,882.20, 261,140.10 and 103,898.20

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Solution

The fourth proportional to 173,882.20, 261,140.10 and 103,898.20 is: 156,036.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,882.20 : 261,140.10 = 103,898.20 : x
  2. Step 2: Convert to fraction form
    173,882.20/261,140.10 = 103,898.20/x
  3. Step 3: Cross multiply
    173,882.20x = 261,140.10 × 103,898.20
  4. Step 4: Simplify right side
    173,882.20x = 27,131,986,337.82
  5. Step 5: Solve for x
    x = 27,131,986,337.82/173,882.20
  6. Step 6: Final answer
    x = 156,036.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.