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Finding the Fourth Proportional to 123,617.58, 170,592.36 and 67,028.96

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Solution

The fourth proportional to 123,617.58, 170,592.36 and 67,028.96 is: 92,500.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,617.58 : 170,592.36 = 67,028.96 : x
  2. Step 2: Convert to fraction form
    123,617.58/170,592.36 = 67,028.96/x
  3. Step 3: Cross multiply
    123,617.58x = 170,592.36 × 67,028.96
  4. Step 4: Simplify right side
    123,617.58x = 11,434,627,621.78
  5. Step 5: Solve for x
    x = 11,434,627,621.78/123,617.58
  6. Step 6: Final answer
    x = 92,500.01

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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.