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Finding the Fourth Proportional to 195,929.76, 270,335.76 and 124,283.76

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Solution

The fourth proportional to 195,929.76, 270,335.76 and 124,283.76 is: 171,481.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,929.76 : 270,335.76 = 124,283.76 : x
  2. Step 2: Convert to fraction form
    195,929.76/270,335.76 = 124,283.76/x
  3. Step 3: Cross multiply
    195,929.76x = 270,335.76 × 124,283.76
  4. Step 4: Simplify right side
    195,929.76x = 33,598,344,715.26
  5. Step 5: Solve for x
    x = 33,598,344,715.26/195,929.76
  6. Step 6: Final answer
    x = 171,481.58

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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.