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Finding the Fourth Proportional to 265,753.88, 398,179.74 and 160,351.40

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Solution

The fourth proportional to 265,753.88, 398,179.74 and 160,351.40 is: 240,254.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,753.88 : 398,179.74 = 160,351.40 : x
  2. Step 2: Convert to fraction form
    265,753.88/398,179.74 = 160,351.40/x
  3. Step 3: Cross multiply
    265,753.88x = 398,179.74 × 160,351.40
  4. Step 4: Simplify right side
    265,753.88x = 63,848,678,760.64
  5. Step 5: Solve for x
    x = 63,848,678,760.64/265,753.88
  6. Step 6: Final answer
    x = 240,254.93

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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.