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Finding the Fourth Proportional to 160,148.91, 220,862.31 and 132,881.79

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Solution

The fourth proportional to 160,148.91, 220,862.31 and 132,881.79 is: 183,258.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,148.91 : 220,862.31 = 132,881.79 : x
  2. Step 2: Convert to fraction form
    160,148.91/220,862.31 = 132,881.79/x
  3. Step 3: Cross multiply
    160,148.91x = 220,862.31 × 132,881.79
  4. Step 4: Simplify right side
    160,148.91x = 29,348,579,096.33
  5. Step 5: Solve for x
    x = 29,348,579,096.33/160,148.91
  6. Step 6: Final answer
    x = 183,258.06

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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.