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Finding the Fourth Proportional to 160,757.33, 221,834.30 and 89,134.70

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Solution

The fourth proportional to 160,757.33, 221,834.30 and 89,134.70 is: 122,999.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,757.33 : 221,834.30 = 89,134.70 : x
  2. Step 2: Convert to fraction form
    160,757.33/221,834.30 = 89,134.70/x
  3. Step 3: Cross multiply
    160,757.33x = 221,834.30 × 89,134.70
  4. Step 4: Simplify right side
    160,757.33x = 19,773,132,225.37
  5. Step 5: Solve for x
    x = 19,773,132,225.37/160,757.33
  6. Step 6: Final answer
    x = 122,999.88

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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.