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Finding the Fourth Proportional to 272,259.18, 375,662.61 and 159,060.06

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Solution

The fourth proportional to 272,259.18, 375,662.61 and 159,060.06 is: 219,470.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,259.18 : 375,662.61 = 159,060.06 : x
  2. Step 2: Convert to fraction form
    272,259.18/375,662.61 = 159,060.06/x
  3. Step 3: Cross multiply
    272,259.18x = 375,662.61 × 159,060.06
  4. Step 4: Simplify right side
    272,259.18x = 59,752,917,286.36
  5. Step 5: Solve for x
    x = 59,752,917,286.36/272,259.18
  6. Step 6: Final answer
    x = 219,470.72

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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.