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Finding the Fourth Proportional to 123,838.84, 170,896.10 and 67,250.62

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Solution

The fourth proportional to 123,838.84, 170,896.10 and 67,250.62 is: 92,805.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,838.84 : 170,896.10 = 67,250.62 : x
  2. Step 2: Convert to fraction form
    123,838.84/170,896.10 = 67,250.62/x
  3. Step 3: Cross multiply
    123,838.84x = 170,896.10 × 67,250.62
  4. Step 4: Simplify right side
    123,838.84x = 11,492,868,680.58
  5. Step 5: Solve for x
    x = 11,492,868,680.58/123,838.84
  6. Step 6: Final answer
    x = 92,805.04

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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.