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Finding the Fourth Proportional to 265,555.71, 398,372.85 and 88,023.56

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Solution

The fourth proportional to 265,555.71, 398,372.85 and 88,023.56 is: 132,048.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,555.71 : 398,372.85 = 88,023.56 : x
  2. Step 2: Convert to fraction form
    265,555.71/398,372.85 = 88,023.56/x
  3. Step 3: Cross multiply
    265,555.71x = 398,372.85 × 88,023.56
  4. Step 4: Simplify right side
    265,555.71x = 35,066,194,472.48
  5. Step 5: Solve for x
    x = 35,066,194,472.48/265,555.71
  6. Step 6: Final answer
    x = 132,048.35

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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.