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Finding the Fourth Proportional to 265,952.62, 398,921.64 and 88,463.02

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Solution

The fourth proportional to 265,952.62, 398,921.64 and 88,463.02 is: 132,692.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,952.62 : 398,921.64 = 88,463.02 : x
  2. Step 2: Convert to fraction form
    265,952.62/398,921.64 = 88,463.02/x
  3. Step 3: Cross multiply
    265,952.62x = 398,921.64 × 88,463.02
  4. Step 4: Simplify right side
    265,952.62x = 35,289,813,017.75
  5. Step 5: Solve for x
    x = 35,289,813,017.75/265,952.62
  6. Step 6: Final answer
    x = 132,692.11

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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.