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Finding the Fourth Proportional to 361,552.34, 542,153.55 and 124,812.02

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Solution

The fourth proportional to 361,552.34, 542,153.55 and 124,812.02 is: 187,157.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,552.34 : 542,153.55 = 124,812.02 : x
  2. Step 2: Convert to fraction form
    361,552.34/542,153.55 = 124,812.02/x
  3. Step 3: Cross multiply
    361,552.34x = 542,153.55 × 124,812.02
  4. Step 4: Simplify right side
    361,552.34x = 67,667,279,725.67
  5. Step 5: Solve for x
    x = 67,667,279,725.67/361,552.34
  6. Step 6: Final answer
    x = 187,157.63

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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.