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Finding the Fourth Proportional to 67,398.54, 101,026.64 and 25,251.08

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Solution

The fourth proportional to 67,398.54, 101,026.64 and 25,251.08 is: 37,849.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,398.54 : 101,026.64 = 25,251.08 : x
  2. Step 2: Convert to fraction form
    67,398.54/101,026.64 = 25,251.08/x
  3. Step 3: Cross multiply
    67,398.54x = 101,026.64 × 25,251.08
  4. Step 4: Simplify right side
    67,398.54x = 2,551,031,768.77
  5. Step 5: Solve for x
    x = 2,551,031,768.77/67,398.54
  6. Step 6: Final answer
    x = 37,849.96

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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.