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Finding the Fourth Proportional to 185,863.95, 278,806.55 and 52,733.70

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Solution

The fourth proportional to 185,863.95, 278,806.55 and 52,733.70 is: 79,103.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,863.95 : 278,806.55 = 52,733.70 : x
  2. Step 2: Convert to fraction form
    185,863.95/278,806.55 = 52,733.70/x
  3. Step 3: Cross multiply
    185,863.95x = 278,806.55 × 52,733.70
  4. Step 4: Simplify right side
    185,863.95x = 14,702,500,702.07
  5. Step 5: Solve for x
    x = 14,702,500,702.07/185,863.95
  6. Step 6: Final answer
    x = 79,103.56

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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.