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Finding the Fourth Proportional to 110,418.70, 152,377.82 and 60,117.70

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Solution

The fourth proportional to 110,418.70, 152,377.82 and 60,117.70 is: 82,962.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,418.70 : 152,377.82 = 60,117.70 : x
  2. Step 2: Convert to fraction form
    110,418.70/152,377.82 = 60,117.70/x
  3. Step 3: Cross multiply
    110,418.70x = 152,377.82 × 60,117.70
  4. Step 4: Simplify right side
    110,418.70x = 9,160,604,069.41
  5. Step 5: Solve for x
    x = 9,160,604,069.41/110,418.70
  6. Step 6: Final answer
    x = 82,962.43

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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.