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Finding the Fourth Proportional to 85,236.39, 127,854.50 and 22,906.89

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Solution

The fourth proportional to 85,236.39, 127,854.50 and 22,906.89 is: 34,360.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,236.39 : 127,854.50 = 22,906.89 : x
  2. Step 2: Convert to fraction form
    85,236.39/127,854.50 = 22,906.89/x
  3. Step 3: Cross multiply
    85,236.39x = 127,854.50 × 22,906.89
  4. Step 4: Simplify right side
    85,236.39x = 2,928,748,852.97
  5. Step 5: Solve for x
    x = 2,928,748,852.97/85,236.39
  6. Step 6: Final answer
    x = 34,360.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.