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Finding the Fourth Proportional to 247,894.81, 342,095.12 and 134,717.56

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Solution

The fourth proportional to 247,894.81, 342,095.12 and 134,717.56 is: 185,910.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,894.81 : 342,095.12 = 134,717.56 : x
  2. Step 2: Convert to fraction form
    247,894.81/342,095.12 = 134,717.56/x
  3. Step 3: Cross multiply
    247,894.81x = 342,095.12 × 134,717.56
  4. Step 4: Simplify right side
    247,894.81x = 46,086,219,854.31
  5. Step 5: Solve for x
    x = 46,086,219,854.31/247,894.81
  6. Step 6: Final answer
    x = 185,910.39

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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.