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Finding the Fourth Proportional to 223,375.34, 308,258.66 and 127,882.76

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Solution

The fourth proportional to 223,375.34, 308,258.66 and 127,882.76 is: 176,478.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,375.34 : 308,258.66 = 127,882.76 : x
  2. Step 2: Convert to fraction form
    223,375.34/308,258.66 = 127,882.76/x
  3. Step 3: Cross multiply
    223,375.34x = 308,258.66 × 127,882.76
  4. Step 4: Simplify right side
    223,375.34x = 39,420,967,013.12
  5. Step 5: Solve for x
    x = 39,420,967,013.12/223,375.34
  6. Step 6: Final answer
    x = 176,478.60

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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.