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Finding the Fourth Proportional to 144,092.55, 216,172.85 and 49,323.90

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Solution

The fourth proportional to 144,092.55, 216,172.85 and 49,323.90 is: 73,997.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,092.55 : 216,172.85 = 49,323.90 : x
  2. Step 2: Convert to fraction form
    144,092.55/216,172.85 = 49,323.90/x
  3. Step 3: Cross multiply
    144,092.55x = 216,172.85 × 49,323.90
  4. Step 4: Simplify right side
    144,092.55x = 10,662,487,789.50
  5. Step 5: Solve for x
    x = 10,662,487,789.50/144,092.55
  6. Step 6: Final answer
    x = 73,997.50

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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.