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Finding the Fourth Proportional to 179,034.50, 247,067.88 and 103,587.86

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Solution

The fourth proportional to 179,034.50, 247,067.88 and 103,587.86 is: 142,951.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,034.50 : 247,067.88 = 103,587.86 : x
  2. Step 2: Convert to fraction form
    179,034.50/247,067.88 = 103,587.86/x
  3. Step 3: Cross multiply
    179,034.50x = 247,067.88 × 103,587.86
  4. Step 4: Simplify right side
    179,034.50x = 25,593,232,963.94
  5. Step 5: Solve for x
    x = 25,593,232,963.94/179,034.50
  6. Step 6: Final answer
    x = 142,951.40

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1.5x scale

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.