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Finding the Fourth Proportional to 265,908.48, 398,776.16 and 88,367.82

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Solution

The fourth proportional to 265,908.48, 398,776.16 and 88,367.82 is: 132,522.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,908.48 : 398,776.16 = 88,367.82 : x
  2. Step 2: Convert to fraction form
    265,908.48/398,776.16 = 88,367.82/x
  3. Step 3: Cross multiply
    265,908.48x = 398,776.16 × 88,367.82
  4. Step 4: Simplify right side
    265,908.48x = 35,238,979,927.17
  5. Step 5: Solve for x
    x = 35,238,979,927.17/265,908.48
  6. Step 6: Final answer
    x = 132,522.96

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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.