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Finding the Fourth Proportional to 98,755.53, 148,045.80 and 73,765.41

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Solution

The fourth proportional to 98,755.53, 148,045.80 and 73,765.41 is: 110,582.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,755.53 : 148,045.80 = 73,765.41 : x
  2. Step 2: Convert to fraction form
    98,755.53/148,045.80 = 73,765.41/x
  3. Step 3: Cross multiply
    98,755.53x = 148,045.80 × 73,765.41
  4. Step 4: Simplify right side
    98,755.53x = 10,920,659,135.78
  5. Step 5: Solve for x
    x = 10,920,659,135.78/98,755.53
  6. Step 6: Final answer
    x = 110,582.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.