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Finding the Fourth Proportional to 302,431.29, 453,712.54 and 92,063.76

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Solution

The fourth proportional to 302,431.29, 453,712.54 and 92,063.76 is: 138,115.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,431.29 : 453,712.54 = 92,063.76 : x
  2. Step 2: Convert to fraction form
    302,431.29/453,712.54 = 92,063.76/x
  3. Step 3: Cross multiply
    302,431.29x = 453,712.54 × 92,063.76
  4. Step 4: Simplify right side
    302,431.29x = 41,770,482,391.55
  5. Step 5: Solve for x
    x = 41,770,482,391.55/302,431.29
  6. Step 6: Final answer
    x = 138,115.61

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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.