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Finding the Fourth Proportional to 561,106.67, 841,778.15 and 181,997.73

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Solution

The fourth proportional to 561,106.67, 841,778.15 and 181,997.73 is: 273,034.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,106.67 : 841,778.15 = 181,997.73 : x
  2. Step 2: Convert to fraction form
    561,106.67/841,778.15 = 181,997.73/x
  3. Step 3: Cross multiply
    561,106.67x = 841,778.15 × 181,997.73
  4. Step 4: Simplify right side
    561,106.67x = 153,201,711,553.61
  5. Step 5: Solve for x
    x = 153,201,711,553.61/561,106.67
  6. Step 6: Final answer
    x = 273,034.92

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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.