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Finding the Fourth Proportional to 67,575.61, 101,347.70 and 25,459.92

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Solution

The fourth proportional to 67,575.61, 101,347.70 and 25,459.92 is: 38,183.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,575.61 : 101,347.70 = 25,459.92 : x
  2. Step 2: Convert to fraction form
    67,575.61/101,347.70 = 25,459.92/x
  3. Step 3: Cross multiply
    67,575.61x = 101,347.70 × 25,459.92
  4. Step 4: Simplify right side
    67,575.61x = 2,580,303,700.15
  5. Step 5: Solve for x
    x = 2,580,303,700.15/67,575.61
  6. Step 6: Final answer
    x = 38,183.95

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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.