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Finding the Fourth Proportional to 72,267.66, 108,374.56 and 24,869.50

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Solution

The fourth proportional to 72,267.66, 108,374.56 and 24,869.50 is: 37,294.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,267.66 : 108,374.56 = 24,869.50 : x
  2. Step 2: Convert to fraction form
    72,267.66/108,374.56 = 24,869.50/x
  3. Step 3: Cross multiply
    72,267.66x = 108,374.56 × 24,869.50
  4. Step 4: Simplify right side
    72,267.66x = 2,695,220,786.81
  5. Step 5: Solve for x
    x = 2,695,220,786.81/72,267.66
  6. Step 6: Final answer
    x = 37,294.98

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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.