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Finding the Fourth Proportional to 315,044.59, 434,773.02 and 179,101.48

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Solution

The fourth proportional to 315,044.59, 434,773.02 and 179,101.48 is: 247,166.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,044.59 : 434,773.02 = 179,101.48 : x
  2. Step 2: Convert to fraction form
    315,044.59/434,773.02 = 179,101.48/x
  3. Step 3: Cross multiply
    315,044.59x = 434,773.02 × 179,101.48
  4. Step 4: Simplify right side
    315,044.59x = 77,868,491,346.07
  5. Step 5: Solve for x
    x = 77,868,491,346.07/315,044.59
  6. Step 6: Final answer
    x = 247,166.57

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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.