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Finding the Fourth Proportional to 122,673.60, 169,274.88 and 68,951.52

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Solution

The fourth proportional to 122,673.60, 169,274.88 and 68,951.52 is: 95,144.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,673.60 : 169,274.88 = 68,951.52 : x
  2. Step 2: Convert to fraction form
    122,673.60/169,274.88 = 68,951.52/x
  3. Step 3: Cross multiply
    122,673.60x = 169,274.88 × 68,951.52
  4. Step 4: Simplify right side
    122,673.60x = 11,671,760,273.82
  5. Step 5: Solve for x
    x = 11,671,760,273.82/122,673.60
  6. Step 6: Final answer
    x = 95,144.84

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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.