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Finding the Fourth Proportional to 247,863.33, 342,053.55 and 134,686.08

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Solution

The fourth proportional to 247,863.33, 342,053.55 and 134,686.08 is: 185,867.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,863.33 : 342,053.55 = 134,686.08 : x
  2. Step 2: Convert to fraction form
    247,863.33/342,053.55 = 134,686.08/x
  3. Step 3: Cross multiply
    247,863.33x = 342,053.55 × 134,686.08
  4. Step 4: Simplify right side
    247,863.33x = 46,069,851,799.58
  5. Step 5: Solve for x
    x = 46,069,851,799.58/247,863.33
  6. Step 6: Final answer
    x = 185,867.96

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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.