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Finding the Fourth Proportional to 110,418, 152,376.96 and 60,117.12

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Solution

The fourth proportional to 110,418, 152,376.96 and 60,117.12 is: 82,961.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,418 : 152,376.96 = 60,117.12 : x
  2. Step 2: Convert to fraction form
    110,418/152,376.96 = 60,117.12/x
  3. Step 3: Cross multiply
    110,418x = 152,376.96 × 60,117.12
  4. Step 4: Simplify right side
    110,418x = 9,160,463,989.56
  5. Step 5: Solve for x
    x = 9,160,463,989.56/110,418
  6. Step 6: Final answer
    x = 82,961.69

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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.