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Finding the Fourth Proportional to 239,454, 330,461.42 and 132,023.85

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Solution

The fourth proportional to 239,454, 330,461.42 and 132,023.85 is: 182,201.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,454 : 330,461.42 = 132,023.85 : x
  2. Step 2: Convert to fraction form
    239,454/330,461.42 = 132,023.85/x
  3. Step 3: Cross multiply
    239,454x = 330,461.42 × 132,023.85
  4. Step 4: Simplify right side
    239,454x = 43,628,788,284.75
  5. Step 5: Solve for x
    x = 43,628,788,284.75/239,454
  6. Step 6: Final answer
    x = 182,201.13

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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.