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Finding the Fourth Proportional to 73,659.17, 110,502.07 and 48,719.85

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Solution

The fourth proportional to 73,659.17, 110,502.07 and 48,719.85 is: 73,088.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,659.17 : 110,502.07 = 48,719.85 : x
  2. Step 2: Convert to fraction form
    73,659.17/110,502.07 = 48,719.85/x
  3. Step 3: Cross multiply
    73,659.17x = 110,502.07 × 48,719.85
  4. Step 4: Simplify right side
    73,659.17x = 5,383,644,012.96
  5. Step 5: Solve for x
    x = 5,383,644,012.96/73,659.17
  6. Step 6: Final answer
    x = 73,088.58

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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.