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Finding the Fourth Proportional to 72,353.76, 108,541.15 and 22,437.88

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Solution

The fourth proportional to 72,353.76, 108,541.15 and 22,437.88 is: 33,660.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,353.76 : 108,541.15 = 22,437.88 : x
  2. Step 2: Convert to fraction form
    72,353.76/108,541.15 = 22,437.88/x
  3. Step 3: Cross multiply
    72,353.76x = 108,541.15 × 22,437.88
  4. Step 4: Simplify right side
    72,353.76x = 2,435,433,294.93
  5. Step 5: Solve for x
    x = 2,435,433,294.93/72,353.76
  6. Step 6: Final answer
    x = 33,660.08

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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.