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Finding the Fourth Proportional to 84,850.60, 127,373.10 and 51,608.20

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Solution

The fourth proportional to 84,850.60, 127,373.10 and 51,608.20 is: 77,471.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,850.60 : 127,373.10 = 51,608.20 : x
  2. Step 2: Convert to fraction form
    84,850.60/127,373.10 = 51,608.20/x
  3. Step 3: Cross multiply
    84,850.60x = 127,373.10 × 51,608.20
  4. Step 4: Simplify right side
    84,850.60x = 6,573,496,419.42
  5. Step 5: Solve for x
    x = 6,573,496,419.42/84,850.60
  6. Step 6: Final answer
    x = 77,471.42

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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.