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Finding the Fourth Proportional to 362,189.83, 542,952.13 and 125,366.89

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Solution

The fourth proportional to 362,189.83, 542,952.13 and 125,366.89 is: 187,935.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,189.83 : 542,952.13 = 125,366.89 : x
  2. Step 2: Convert to fraction form
    362,189.83/542,952.13 = 125,366.89/x
  3. Step 3: Cross multiply
    362,189.83x = 542,952.13 × 125,366.89
  4. Step 4: Simplify right side
    362,189.83x = 68,068,219,956.98
  5. Step 5: Solve for x
    x = 68,068,219,956.98/362,189.83
  6. Step 6: Final answer
    x = 187,935.21

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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.