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Finding the Fourth Proportional to 204,073.59, 306,112.94 and 54,312.95

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Solution

The fourth proportional to 204,073.59, 306,112.94 and 54,312.95 is: 81,470.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,073.59 : 306,112.94 = 54,312.95 : x
  2. Step 2: Convert to fraction form
    204,073.59/306,112.94 = 54,312.95/x
  3. Step 3: Cross multiply
    204,073.59x = 306,112.94 × 54,312.95
  4. Step 4: Simplify right side
    204,073.59x = 16,625,896,804.57
  5. Step 5: Solve for x
    x = 16,625,896,804.57/204,073.59
  6. Step 6: Final answer
    x = 81,470.10

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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.