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Finding the Fourth Proportional to 84,671.88, 127,066.14 and 29,267.88

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Solution

The fourth proportional to 84,671.88, 127,066.14 and 29,267.88 is: 43,921.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,671.88 : 127,066.14 = 29,267.88 : x
  2. Step 2: Convert to fraction form
    84,671.88/127,066.14 = 29,267.88/x
  3. Step 3: Cross multiply
    84,671.88x = 127,066.14 × 29,267.88
  4. Step 4: Simplify right side
    84,671.88x = 3,718,956,537.58
  5. Step 5: Solve for x
    x = 3,718,956,537.58/84,671.88
  6. Step 6: Final answer
    x = 43,921.98

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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.