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Finding the Fourth Proportional to 110,672.86, 152,728.22 and 60,371.50

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Solution

The fourth proportional to 110,672.86, 152,728.22 and 60,371.50 is: 83,312.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,672.86 : 152,728.22 = 60,371.50 : x
  2. Step 2: Convert to fraction form
    110,672.86/152,728.22 = 60,371.50/x
  3. Step 3: Cross multiply
    110,672.86x = 152,728.22 × 60,371.50
  4. Step 4: Simplify right side
    110,672.86x = 9,220,431,733.73
  5. Step 5: Solve for x
    x = 9,220,431,733.73/110,672.86
  6. Step 6: Final answer
    x = 83,312.49

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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.