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Finding the Fourth Proportional to 123,295.52, 170,150.52 and 68,104.68

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Solution

The fourth proportional to 123,295.52, 170,150.52 and 68,104.68 is: 93,985.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,295.52 : 170,150.52 = 68,104.68 : x
  2. Step 2: Convert to fraction form
    123,295.52/170,150.52 = 68,104.68/x
  3. Step 3: Cross multiply
    123,295.52x = 170,150.52 × 68,104.68
  4. Step 4: Simplify right side
    123,295.52x = 11,588,046,716.43
  5. Step 5: Solve for x
    x = 11,588,046,716.43/123,295.52
  6. Step 6: Final answer
    x = 93,985.95

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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.