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Finding the Fourth Proportional to 122,366.76, 168,866.60 and 71,414.69

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Solution

The fourth proportional to 122,366.76, 168,866.60 and 71,414.69 is: 98,552.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,366.76 : 168,866.60 = 71,414.69 : x
  2. Step 2: Convert to fraction form
    122,366.76/168,866.60 = 71,414.69/x
  3. Step 3: Cross multiply
    122,366.76x = 168,866.60 × 71,414.69
  4. Step 4: Simplify right side
    122,366.76x = 12,059,554,688.95
  5. Step 5: Solve for x
    x = 12,059,554,688.95/122,366.76
  6. Step 6: Final answer
    x = 98,552.54

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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.