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Finding the Fourth Proportional to 265,584.52, 398,086.85 and 130,741.39

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Solution

The fourth proportional to 265,584.52, 398,086.85 and 130,741.39 is: 195,969.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,584.52 : 398,086.85 = 130,741.39 : x
  2. Step 2: Convert to fraction form
    265,584.52/398,086.85 = 130,741.39/x
  3. Step 3: Cross multiply
    265,584.52x = 398,086.85 × 130,741.39
  4. Step 4: Simplify right side
    265,584.52x = 52,046,428,934.18
  5. Step 5: Solve for x
    x = 52,046,428,934.18/265,584.52
  6. Step 6: Final answer
    x = 195,969.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.