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Finding the Fourth Proportional to 144,608.60, 216,974.96 and 55,924.32

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Solution

The fourth proportional to 144,608.60, 216,974.96 and 55,924.32 is: 83,910.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,608.60 : 216,974.96 = 55,924.32 : x
  2. Step 2: Convert to fraction form
    144,608.60/216,974.96 = 55,924.32/x
  3. Step 3: Cross multiply
    144,608.60x = 216,974.96 × 55,924.32
  4. Step 4: Simplify right side
    144,608.60x = 12,134,176,815.41
  5. Step 5: Solve for x
    x = 12,134,176,815.41/144,608.60
  6. Step 6: Final answer
    x = 83,910.48

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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.