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Finding the Fourth Proportional to 84,714.78, 127,050.84 and 34,808.66

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Solution

The fourth proportional to 84,714.78, 127,050.84 and 34,808.66 is: 52,204.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,714.78 : 127,050.84 = 34,808.66 : x
  2. Step 2: Convert to fraction form
    84,714.78/127,050.84 = 34,808.66/x
  3. Step 3: Cross multiply
    84,714.78x = 127,050.84 × 34,808.66
  4. Step 4: Simplify right side
    84,714.78x = 4,422,469,492.27
  5. Step 5: Solve for x
    x = 4,422,469,492.27/84,714.78
  6. Step 6: Final answer
    x = 52,204.23

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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.