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Finding the Fourth Proportional to 134,584.74, 185,733 and 80,894.70

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Solution

The fourth proportional to 134,584.74, 185,733 and 80,894.70 is: 111,638.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,584.74 : 185,733 = 80,894.70 : x
  2. Step 2: Convert to fraction form
    134,584.74/185,733 = 80,894.70/x
  3. Step 3: Cross multiply
    134,584.74x = 185,733 × 80,894.70
  4. Step 4: Simplify right side
    134,584.74x = 15,024,815,315.10
  5. Step 5: Solve for x
    x = 15,024,815,315.10/134,584.74
  6. Step 6: Final answer
    x = 111,638.33

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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.