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Finding the Fourth Proportional to 123,352.67, 170,230.83 and 75,596.81

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Solution

The fourth proportional to 123,352.67, 170,230.83 and 75,596.81 is: 104,326.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,352.67 : 170,230.83 = 75,596.81 : x
  2. Step 2: Convert to fraction form
    123,352.67/170,230.83 = 75,596.81/x
  3. Step 3: Cross multiply
    123,352.67x = 170,230.83 × 75,596.81
  4. Step 4: Simplify right side
    123,352.67x = 12,868,907,711.65
  5. Step 5: Solve for x
    x = 12,868,907,711.65/123,352.67
  6. Step 6: Final answer
    x = 104,326.14

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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.