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Finding the Fourth Proportional to 273,418.80, 410,258.88 and 148,759.68

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Solution

The fourth proportional to 273,418.80, 410,258.88 and 148,759.68 is: 223,210.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,418.80 : 410,258.88 = 148,759.68 : x
  2. Step 2: Convert to fraction form
    273,418.80/410,258.88 = 148,759.68/x
  3. Step 3: Cross multiply
    273,418.80x = 410,258.88 × 148,759.68
  4. Step 4: Simplify right side
    273,418.80x = 61,029,979,705.96
  5. Step 5: Solve for x
    x = 61,029,979,705.96/273,418.80
  6. Step 6: Final answer
    x = 223,210.62

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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.