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Finding the Fourth Proportional to 247,870.39, 342,060.51 and 134,693.14

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Solution

The fourth proportional to 247,870.39, 342,060.51 and 134,693.14 is: 185,876.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,870.39 : 342,060.51 = 134,693.14 : x
  2. Step 2: Convert to fraction form
    247,870.39/342,060.51 = 134,693.14/x
  3. Step 3: Cross multiply
    247,870.39x = 342,060.51 × 134,693.14
  4. Step 4: Simplify right side
    247,870.39x = 46,073,204,161.90
  5. Step 5: Solve for x
    x = 46,073,204,161.90/247,870.39
  6. Step 6: Final answer
    x = 185,876.19

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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.