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Finding the Fourth Proportional to 230,748.66, 346,121.42 and 124,182.76

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Solution

The fourth proportional to 230,748.66, 346,121.42 and 124,182.76 is: 186,273.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,748.66 : 346,121.42 = 124,182.76 : x
  2. Step 2: Convert to fraction form
    230,748.66/346,121.42 = 124,182.76/x
  3. Step 3: Cross multiply
    230,748.66x = 346,121.42 × 124,182.76
  4. Step 4: Simplify right side
    230,748.66x = 42,982,313,230.72
  5. Step 5: Solve for x
    x = 42,982,313,230.72/230,748.66
  6. Step 6: Final answer
    x = 186,273.30

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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.