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Finding the Fourth Proportional to 123,618.06, 170,592.21 and 67,028.22

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Solution

The fourth proportional to 123,618.06, 170,592.21 and 67,028.22 is: 92,498.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,618.06 : 170,592.21 = 67,028.22 : x
  2. Step 2: Convert to fraction form
    123,618.06/170,592.21 = 67,028.22/x
  3. Step 3: Cross multiply
    123,618.06x = 170,592.21 × 67,028.22
  4. Step 4: Simplify right side
    123,618.06x = 11,434,492,182.17
  5. Step 5: Solve for x
    x = 11,434,492,182.17/123,618.06
  6. Step 6: Final answer
    x = 92,498.56

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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.