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Finding the Fourth Proportional to 265,084.80, 397,627.20 and 160,108.80

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Solution

The fourth proportional to 265,084.80, 397,627.20 and 160,108.80 is: 240,163.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,084.80 : 397,627.20 = 160,108.80 : x
  2. Step 2: Convert to fraction form
    265,084.80/397,627.20 = 160,108.80/x
  3. Step 3: Cross multiply
    265,084.80x = 397,627.20 × 160,108.80
  4. Step 4: Simplify right side
    265,084.80x = 63,663,613,839.36
  5. Step 5: Solve for x
    x = 63,663,613,839.36/265,084.80
  6. Step 6: Final answer
    x = 240,163.20

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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.