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Finding the Fourth Proportional to 123,352.68, 170,230.82 and 75,596.80

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Solution

The fourth proportional to 123,352.68, 170,230.82 and 75,596.80 is: 104,326.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,352.68 : 170,230.82 = 75,596.80 : x
  2. Step 2: Convert to fraction form
    123,352.68/170,230.82 = 75,596.80/x
  3. Step 3: Cross multiply
    123,352.68x = 170,230.82 × 75,596.80
  4. Step 4: Simplify right side
    123,352.68x = 12,868,905,253.38
  5. Step 5: Solve for x
    x = 12,868,905,253.38/123,352.68
  6. Step 6: Final answer
    x = 104,326.11

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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.