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Finding the Fourth Proportional to 123,596.88, 170,551.08 and 75,852.24

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Solution

The fourth proportional to 123,596.88, 170,551.08 and 75,852.24 is: 104,668.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,596.88 : 170,551.08 = 75,852.24 : x
  2. Step 2: Convert to fraction form
    123,596.88/170,551.08 = 75,852.24/x
  3. Step 3: Cross multiply
    123,596.88x = 170,551.08 × 75,852.24
  4. Step 4: Simplify right side
    123,596.88x = 12,936,681,452.42
  5. Step 5: Solve for x
    x = 12,936,681,452.42/123,596.88
  6. Step 6: Final answer
    x = 104,668.35

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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.