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Finding the Fourth Proportional to 235,359.28, 324,797.76 and 127,929.29

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Solution

The fourth proportional to 235,359.28, 324,797.76 and 127,929.29 is: 176,543.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,359.28 : 324,797.76 = 127,929.29 : x
  2. Step 2: Convert to fraction form
    235,359.28/324,797.76 = 127,929.29/x
  3. Step 3: Cross multiply
    235,359.28x = 324,797.76 × 127,929.29
  4. Step 4: Simplify right side
    235,359.28x = 41,551,146,830.39
  5. Step 5: Solve for x
    x = 41,551,146,830.39/235,359.28
  6. Step 6: Final answer
    x = 176,543.49

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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.