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Finding the Fourth Proportional to 265,898.85, 398,515.67 and 132,816.26

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Solution

The fourth proportional to 265,898.85, 398,515.67 and 132,816.26 is: 199,058.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,898.85 : 398,515.67 = 132,816.26 : x
  2. Step 2: Convert to fraction form
    265,898.85/398,515.67 = 132,816.26/x
  3. Step 3: Cross multiply
    265,898.85x = 398,515.67 × 132,816.26
  4. Step 4: Simplify right side
    265,898.85x = 52,929,358,184.13
  5. Step 5: Solve for x
    x = 52,929,358,184.13/265,898.85
  6. Step 6: Final answer
    x = 199,058.24

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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.