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Finding the Fourth Proportional to 109,508.96, 151,122.59 and 59,207.96

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Solution

The fourth proportional to 109,508.96, 151,122.59 and 59,207.96 is: 81,707.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,508.96 : 151,122.59 = 59,207.96 : x
  2. Step 2: Convert to fraction form
    109,508.96/151,122.59 = 59,207.96/x
  3. Step 3: Cross multiply
    109,508.96x = 151,122.59 × 59,207.96
  4. Step 4: Simplify right side
    109,508.96x = 8,947,660,263.82
  5. Step 5: Solve for x
    x = 8,947,660,263.82/109,508.96
  6. Step 6: Final answer
    x = 81,707.11

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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.