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Finding the Fourth Proportional to 160,993.65, 222,160.11 and 89,368.04

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Solution

The fourth proportional to 160,993.65, 222,160.11 and 89,368.04 is: 123,321.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,993.65 : 222,160.11 = 89,368.04 : x
  2. Step 2: Convert to fraction form
    160,993.65/222,160.11 = 89,368.04/x
  3. Step 3: Cross multiply
    160,993.65x = 222,160.11 × 89,368.04
  4. Step 4: Simplify right side
    160,993.65x = 19,854,013,596.88
  5. Step 5: Solve for x
    x = 19,854,013,596.88/160,993.65
  6. Step 6: Final answer
    x = 123,321.72

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1.5x scale

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.