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Finding the Fourth Proportional to 72,459.70, 108,706.30 and 22,537.14

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Solution

The fourth proportional to 72,459.70, 108,706.30 and 22,537.14 is: 33,810.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,459.70 : 108,706.30 = 22,537.14 : x
  2. Step 2: Convert to fraction form
    72,459.70/108,706.30 = 22,537.14/x
  3. Step 3: Cross multiply
    72,459.70x = 108,706.30 × 22,537.14
  4. Step 4: Simplify right side
    72,459.70x = 2,449,929,101.98
  5. Step 5: Solve for x
    x = 2,449,929,101.98/72,459.70
  6. Step 6: Final answer
    x = 33,810.92

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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.