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Finding the Fourth Proportional to 150,951.75, 208,260.32 and 90,541.95

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Solution

The fourth proportional to 150,951.75, 208,260.32 and 90,541.95 is: 124,916.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,951.75 : 208,260.32 = 90,541.95 : x
  2. Step 2: Convert to fraction form
    150,951.75/208,260.32 = 90,541.95/x
  3. Step 3: Cross multiply
    150,951.75x = 208,260.32 × 90,541.95
  4. Step 4: Simplify right side
    150,951.75x = 18,856,295,027.71
  5. Step 5: Solve for x
    x = 18,856,295,027.71/150,951.75
  6. Step 6: Final answer
    x = 124,916.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.