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Finding the Fourth Proportional to 122,167.95, 168,591.65 and 68,453.34

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Solution

The fourth proportional to 122,167.95, 168,591.65 and 68,453.34 is: 94,465.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,167.95 : 168,591.65 = 68,453.34 : x
  2. Step 2: Convert to fraction form
    122,167.95/168,591.65 = 68,453.34/x
  3. Step 3: Cross multiply
    122,167.95x = 168,591.65 × 68,453.34
  4. Step 4: Simplify right side
    122,167.95x = 11,540,661,538.61
  5. Step 5: Solve for x
    x = 11,540,661,538.61/122,167.95
  6. Step 6: Final answer
    x = 94,465.54

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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.