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Finding the Fourth Proportional to 247,871.07, 342,067.14 and 134,701.11

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Solution

The fourth proportional to 247,871.07, 342,067.14 and 134,701.11 is: 185,890.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,871.07 : 342,067.14 = 134,701.11 : x
  2. Step 2: Convert to fraction form
    247,871.07/342,067.14 = 134,701.11/x
  3. Step 3: Cross multiply
    247,871.07x = 342,067.14 × 134,701.11
  4. Step 4: Simplify right side
    247,871.07x = 46,076,823,452.53
  5. Step 5: Solve for x
    x = 46,076,823,452.53/247,871.07
  6. Step 6: Final answer
    x = 185,890.28

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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.