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Finding the Fourth Proportional to 161,044.79, 241,579.89 and 42,716.16

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Solution

The fourth proportional to 161,044.79, 241,579.89 and 42,716.16 is: 64,077.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,044.79 : 241,579.89 = 42,716.16 : x
  2. Step 2: Convert to fraction form
    161,044.79/241,579.89 = 42,716.16/x
  3. Step 3: Cross multiply
    161,044.79x = 241,579.89 × 42,716.16
  4. Step 4: Simplify right side
    161,044.79x = 10,319,365,234.02
  5. Step 5: Solve for x
    x = 10,319,365,234.02/161,044.79
  6. Step 6: Final answer
    x = 64,077.61

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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.