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Finding the Fourth Proportional to 73,780.48, 110,670.48 and 44,207.20

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Solution

The fourth proportional to 73,780.48, 110,670.48 and 44,207.20 is: 66,310.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,780.48 : 110,670.48 = 44,207.20 : x
  2. Step 2: Convert to fraction form
    73,780.48/110,670.48 = 44,207.20/x
  3. Step 3: Cross multiply
    73,780.48x = 110,670.48 × 44,207.20
  4. Step 4: Simplify right side
    73,780.48x = 4,892,432,043.46
  5. Step 5: Solve for x
    x = 4,892,432,043.46/73,780.48
  6. Step 6: Final answer
    x = 66,310.66

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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.