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Finding the Fourth Proportional to 158,832.48, 219,042.48 and 107,921.52

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Solution

The fourth proportional to 158,832.48, 219,042.48 and 107,921.52 is: 148,832.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,832.48 : 219,042.48 = 107,921.52 : x
  2. Step 2: Convert to fraction form
    158,832.48/219,042.48 = 107,921.52/x
  3. Step 3: Cross multiply
    158,832.48x = 219,042.48 × 107,921.52
  4. Step 4: Simplify right side
    158,832.48x = 23,639,397,386.17
  5. Step 5: Solve for x
    x = 23,639,397,386.17/158,832.48
  6. Step 6: Final answer
    x = 148,832.26

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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.