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Finding the Fourth Proportional to 84,714.91, 127,051.03 and 34,808.78

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Solution

The fourth proportional to 84,714.91, 127,051.03 and 34,808.78 is: 52,204.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,714.91 : 127,051.03 = 34,808.78 : x
  2. Step 2: Convert to fraction form
    84,714.91/127,051.03 = 34,808.78/x
  3. Step 3: Cross multiply
    84,714.91x = 127,051.03 × 34,808.78
  4. Step 4: Simplify right side
    84,714.91x = 4,422,491,713.18
  5. Step 5: Solve for x
    x = 4,422,491,713.18/84,714.91
  6. Step 6: Final answer
    x = 52,204.41

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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.