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Finding the Fourth Proportional to 247,858.56, 342,046.96 and 134,681.32

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Solution

The fourth proportional to 247,858.56, 342,046.96 and 134,681.32 is: 185,861.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,858.56 : 342,046.96 = 134,681.32 : x
  2. Step 2: Convert to fraction form
    247,858.56/342,046.96 = 134,681.32/x
  3. Step 3: Cross multiply
    247,858.56x = 342,046.96 × 134,681.32
  4. Step 4: Simplify right side
    247,858.56x = 46,067,336,074.79
  5. Step 5: Solve for x
    x = 46,067,336,074.79/247,858.56
  6. Step 6: Final answer
    x = 185,861.39

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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.