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Finding the Fourth Proportional to 160,695.04, 240,945.33 and 71,932

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Solution

The fourth proportional to 160,695.04, 240,945.33 and 71,932 is: 107,854.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,695.04 : 240,945.33 = 71,932 : x
  2. Step 2: Convert to fraction form
    160,695.04/240,945.33 = 71,932/x
  3. Step 3: Cross multiply
    160,695.04x = 240,945.33 × 71,932
  4. Step 4: Simplify right side
    160,695.04x = 17,331,679,477.56
  5. Step 5: Solve for x
    x = 17,331,679,477.56/160,695.04
  6. Step 6: Final answer
    x = 107,854.48

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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.