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Finding the Fourth Proportional to 72,164.61, 108,219.23 and 24,770.87

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Solution

The fourth proportional to 72,164.61, 108,219.23 and 24,770.87 is: 37,146.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,164.61 : 108,219.23 = 24,770.87 : x
  2. Step 2: Convert to fraction form
    72,164.61/108,219.23 = 24,770.87/x
  3. Step 3: Cross multiply
    72,164.61x = 108,219.23 × 24,770.87
  4. Step 4: Simplify right side
    72,164.61x = 2,680,683,812.88
  5. Step 5: Solve for x
    x = 2,680,683,812.88/72,164.61
  6. Step 6: Final answer
    x = 37,146.79

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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.