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Finding the Fourth Proportional to 134,508.98, 185,577.94 and 86,794.04

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Solution

The fourth proportional to 134,508.98, 185,577.94 and 86,794.04 is: 119,747.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,508.98 : 185,577.94 = 86,794.04 : x
  2. Step 2: Convert to fraction form
    134,508.98/185,577.94 = 86,794.04/x
  3. Step 3: Cross multiply
    134,508.98x = 185,577.94 × 86,794.04
  4. Step 4: Simplify right side
    134,508.98x = 16,107,059,147.48
  5. Step 5: Solve for x
    x = 16,107,059,147.48/134,508.98
  6. Step 6: Final answer
    x = 119,747.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.