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Finding the Fourth Proportional to 73,253.80, 109,897.29 and 26,506.66

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Solution

The fourth proportional to 73,253.80, 109,897.29 and 26,506.66 is: 39,765.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,253.80 : 109,897.29 = 26,506.66 : x
  2. Step 2: Convert to fraction form
    73,253.80/109,897.29 = 26,506.66/x
  3. Step 3: Cross multiply
    73,253.80x = 109,897.29 × 26,506.66
  4. Step 4: Simplify right side
    73,253.80x = 2,913,010,100.95
  5. Step 5: Solve for x
    x = 2,913,010,100.95/73,253.80
  6. Step 6: Final answer
    x = 39,765.99

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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.