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Finding the Fourth Proportional to 362,792.79, 544,194.68 and 138,165.66

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Solution

The fourth proportional to 362,792.79, 544,194.68 and 138,165.66 is: 207,250.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,792.79 : 544,194.68 = 138,165.66 : x
  2. Step 2: Convert to fraction form
    362,792.79/544,194.68 = 138,165.66/x
  3. Step 3: Cross multiply
    362,792.79x = 544,194.68 × 138,165.66
  4. Step 4: Simplify right side
    362,792.79x = 75,189,016,439.86
  5. Step 5: Solve for x
    x = 75,189,016,439.86/362,792.79
  6. Step 6: Final answer
    x = 207,250.58

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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.