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Finding the Fourth Proportional to 162,543.27, 243,751.87 and 55,906.95

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Solution

The fourth proportional to 162,543.27, 243,751.87 and 55,906.95 is: 83,838.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,543.27 : 243,751.87 = 55,906.95 : x
  2. Step 2: Convert to fraction form
    162,543.27/243,751.87 = 55,906.95/x
  3. Step 3: Cross multiply
    162,543.27x = 243,751.87 × 55,906.95
  4. Step 4: Simplify right side
    162,543.27x = 13,627,423,608.50
  5. Step 5: Solve for x
    x = 13,627,423,608.50/162,543.27
  6. Step 6: Final answer
    x = 83,838.74

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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.