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Finding the Fourth Proportional to 361,952.20, 542,857.06 and 122,042.76

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Solution

The fourth proportional to 361,952.20, 542,857.06 and 122,042.76 is: 183,040.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,952.20 : 542,857.06 = 122,042.76 : x
  2. Step 2: Convert to fraction form
    361,952.20/542,857.06 = 122,042.76/x
  3. Step 3: Cross multiply
    361,952.20x = 542,857.06 × 122,042.76
  4. Step 4: Simplify right side
    361,952.20x = 66,251,773,887.89
  5. Step 5: Solve for x
    x = 66,251,773,887.89/361,952.20
  6. Step 6: Final answer
    x = 183,040.12

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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.