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Finding the Fourth Proportional to 272,597.76, 408,900.96 and 83,062.08

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Solution

The fourth proportional to 272,597.76, 408,900.96 and 83,062.08 is: 124,594.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,597.76 : 408,900.96 = 83,062.08 : x
  2. Step 2: Convert to fraction form
    272,597.76/408,900.96 = 83,062.08/x
  3. Step 3: Cross multiply
    272,597.76x = 408,900.96 × 83,062.08
  4. Step 4: Simplify right side
    272,597.76x = 33,964,164,251.60
  5. Step 5: Solve for x
    x = 33,964,164,251.60/272,597.76
  6. Step 6: Final answer
    x = 124,594.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.