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Finding the Fourth Proportional to 247,879.27, 342,079.91 and 134,702.02

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Solution

The fourth proportional to 247,879.27, 342,079.91 and 134,702.02 is: 185,892.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,879.27 : 342,079.91 = 134,702.02 : x
  2. Step 2: Convert to fraction form
    247,879.27/342,079.91 = 134,702.02/x
  3. Step 3: Cross multiply
    247,879.27x = 342,079.91 × 134,702.02
  4. Step 4: Simplify right side
    247,879.27x = 46,078,854,878.42
  5. Step 5: Solve for x
    x = 46,078,854,878.42/247,879.27
  6. Step 6: Final answer
    x = 185,892.33

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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.