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Finding the Fourth Proportional to 247,291.80, 341,263.08 and 134,114.64

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Solution

The fourth proportional to 247,291.80, 341,263.08 and 134,114.64 is: 185,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,291.80 : 341,263.08 = 134,114.64 : x
  2. Step 2: Convert to fraction form
    247,291.80/341,263.08 = 134,114.64/x
  3. Step 3: Cross multiply
    247,291.80x = 341,263.08 × 134,114.64
  4. Step 4: Simplify right side
    247,291.80x = 45,768,375,119.49
  5. Step 5: Solve for x
    x = 45,768,375,119.49/247,291.80
  6. Step 6: Final answer
    x = 185,078.42

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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.