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Finding the Fourth Proportional to 122,602.83, 169,196.88 and 68,887.68

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Solution

The fourth proportional to 122,602.83, 169,196.88 and 68,887.68 is: 95,067.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,602.83 : 169,196.88 = 68,887.68 : x
  2. Step 2: Convert to fraction form
    122,602.83/169,196.88 = 68,887.68/x
  3. Step 3: Cross multiply
    122,602.83x = 169,196.88 × 68,887.68
  4. Step 4: Simplify right side
    122,602.83x = 11,655,580,526.44
  5. Step 5: Solve for x
    x = 11,655,580,526.44/122,602.83
  6. Step 6: Final answer
    x = 95,067.79

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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.