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Finding the Fourth Proportional to 144,951.60, 217,081.80 and 144,951.60

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Solution

The fourth proportional to 144,951.60, 217,081.80 and 144,951.60 is: 217,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,951.60 : 217,081.80 = 144,951.60 : x
  2. Step 2: Convert to fraction form
    144,951.60/217,081.80 = 144,951.60/x
  3. Step 3: Cross multiply
    144,951.60x = 217,081.80 × 144,951.60
  4. Step 4: Simplify right side
    144,951.60x = 31,466,354,240.88
  5. Step 5: Solve for x
    x = 31,466,354,240.88/144,951.60
  6. Step 6: Final answer
    x = 217,081.80

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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.