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Finding the Fourth Proportional to 67,923.17, 101,850.15 and 39,897.98

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Solution

The fourth proportional to 67,923.17, 101,850.15 and 39,897.98 is: 59,826.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,923.17 : 101,850.15 = 39,897.98 : x
  2. Step 2: Convert to fraction form
    67,923.17/101,850.15 = 39,897.98/x
  3. Step 3: Cross multiply
    67,923.17x = 101,850.15 × 39,897.98
  4. Step 4: Simplify right side
    67,923.17x = 4,063,615,132.70
  5. Step 5: Solve for x
    x = 4,063,615,132.70/67,923.17
  6. Step 6: Final answer
    x = 59,826.64

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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.