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Finding the Fourth Proportional to 134,363.88, 185,418.11 and 73,934.64

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Solution

The fourth proportional to 134,363.88, 185,418.11 and 73,934.64 is: 102,027.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,363.88 : 185,418.11 = 73,934.64 : x
  2. Step 2: Convert to fraction form
    134,363.88/185,418.11 = 73,934.64/x
  3. Step 3: Cross multiply
    134,363.88x = 185,418.11 × 73,934.64
  4. Step 4: Simplify right side
    134,363.88x = 13,708,821,397.17
  5. Step 5: Solve for x
    x = 13,708,821,397.17/134,363.88
  6. Step 6: Final answer
    x = 102,027.58

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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.