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Finding the Fourth Proportional to 302,910.60, 454,360.74 and 89,677.59

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Solution

The fourth proportional to 302,910.60, 454,360.74 and 89,677.59 is: 134,514.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,910.60 : 454,360.74 = 89,677.59 : x
  2. Step 2: Convert to fraction form
    302,910.60/454,360.74 = 89,677.59/x
  3. Step 3: Cross multiply
    302,910.60x = 454,360.74 × 89,677.59
  4. Step 4: Simplify right side
    302,910.60x = 40,745,976,153.82
  5. Step 5: Solve for x
    x = 40,745,976,153.82/302,910.60
  6. Step 6: Final answer
    x = 134,514.86

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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.