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Finding the Fourth Proportional to 265,963.32, 366,979.26 and 158,543.34

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Solution

The fourth proportional to 265,963.32, 366,979.26 and 158,543.34 is: 218,759.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,963.32 : 366,979.26 = 158,543.34 : x
  2. Step 2: Convert to fraction form
    265,963.32/366,979.26 = 158,543.34/x
  3. Step 3: Cross multiply
    265,963.32x = 366,979.26 × 158,543.34
  4. Step 4: Simplify right side
    265,963.32x = 58,182,117,591.13
  5. Step 5: Solve for x
    x = 58,182,117,591.13/265,963.32
  6. Step 6: Final answer
    x = 218,759.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.