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Finding the Fourth Proportional to 158,695.66, 218,996.13 and 88,844.10

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Solution

The fourth proportional to 158,695.66, 218,996.13 and 88,844.10 is: 122,602.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,695.66 : 218,996.13 = 88,844.10 : x
  2. Step 2: Convert to fraction form
    158,695.66/218,996.13 = 88,844.10/x
  3. Step 3: Cross multiply
    158,695.66x = 218,996.13 × 88,844.10
  4. Step 4: Simplify right side
    158,695.66x = 19,456,514,073.33
  5. Step 5: Solve for x
    x = 19,456,514,073.33/158,695.66
  6. Step 6: Final answer
    x = 122,602.69

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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.