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Finding the Fourth Proportional to 84,902.73, 127,239.21 and 32,283.51

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Solution

The fourth proportional to 84,902.73, 127,239.21 and 32,283.51 is: 48,381.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,902.73 : 127,239.21 = 32,283.51 : x
  2. Step 2: Convert to fraction form
    84,902.73/127,239.21 = 32,283.51/x
  3. Step 3: Cross multiply
    84,902.73x = 127,239.21 × 32,283.51
  4. Step 4: Simplify right side
    84,902.73x = 4,107,728,308.43
  5. Step 5: Solve for x
    x = 4,107,728,308.43/84,902.73
  6. Step 6: Final answer
    x = 48,381.58

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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.