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Finding the Fourth Proportional to 109,494.36, 151,101.72 and 59,193.36

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Solution

The fourth proportional to 109,494.36, 151,101.72 and 59,193.36 is: 81,686.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,494.36 : 151,101.72 = 59,193.36 : x
  2. Step 2: Convert to fraction form
    109,494.36/151,101.72 = 59,193.36/x
  3. Step 3: Cross multiply
    109,494.36x = 151,101.72 × 59,193.36
  4. Step 4: Simplify right side
    109,494.36x = 8,944,218,508.58
  5. Step 5: Solve for x
    x = 8,944,218,508.58/109,494.36
  6. Step 6: Final answer
    x = 81,686.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.