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Finding the Fourth Proportional to 172,663.65, 259,008.23 and 60,330.83

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Solution

The fourth proportional to 172,663.65, 259,008.23 and 60,330.83 is: 90,500.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,663.65 : 259,008.23 = 60,330.83 : x
  2. Step 2: Convert to fraction form
    172,663.65/259,008.23 = 60,330.83/x
  3. Step 3: Cross multiply
    172,663.65x = 259,008.23 × 60,330.83
  4. Step 4: Simplify right side
    172,663.65x = 15,626,180,348.52
  5. Step 5: Solve for x
    x = 15,626,180,348.52/172,663.65
  6. Step 6: Final answer
    x = 90,500.70

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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.