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Finding the Fourth Proportional to 383,749.52, 575,625.67 and 117,508.95

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Solution

The fourth proportional to 383,749.52, 575,625.67 and 117,508.95 is: 176,263.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,749.52 : 575,625.67 = 117,508.95 : x
  2. Step 2: Convert to fraction form
    383,749.52/575,625.67 = 117,508.95/x
  3. Step 3: Cross multiply
    383,749.52x = 575,625.67 × 117,508.95
  4. Step 4: Simplify right side
    383,749.52x = 67,641,167,780.97
  5. Step 5: Solve for x
    x = 67,641,167,780.97/383,749.52
  6. Step 6: Final answer
    x = 176,263.85

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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.