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Finding the Fourth Proportional to 372,572.48, 558,545.24 and 162,051.86

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Solution

The fourth proportional to 372,572.48, 558,545.24 and 162,051.86 is: 242,941.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,572.48 : 558,545.24 = 162,051.86 : x
  2. Step 2: Convert to fraction form
    372,572.48/558,545.24 = 162,051.86/x
  3. Step 3: Cross multiply
    372,572.48x = 558,545.24 × 162,051.86
  4. Step 4: Simplify right side
    372,572.48x = 90,513,292,648.55
  5. Step 5: Solve for x
    x = 90,513,292,648.55/372,572.48
  6. Step 6: Final answer
    x = 242,941.44

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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.