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Finding the Fourth Proportional to 261,826.49, 392,770.50 and 93,370.77

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Solution

The fourth proportional to 261,826.49, 392,770.50 and 93,370.77 is: 140,067.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,826.49 : 392,770.50 = 93,370.77 : x
  2. Step 2: Convert to fraction form
    261,826.49/392,770.50 = 93,370.77/x
  3. Step 3: Cross multiply
    261,826.49x = 392,770.50 × 93,370.77
  4. Step 4: Simplify right side
    261,826.49x = 36,673,283,668.14
  5. Step 5: Solve for x
    x = 36,673,283,668.14/261,826.49
  6. Step 6: Final answer
    x = 140,067.12

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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.