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Finding the Fourth Proportional to 154,859.30, 232,132.05 and 104,944.40

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Solution

The fourth proportional to 154,859.30, 232,132.05 and 104,944.40 is: 157,310.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,859.30 : 232,132.05 = 104,944.40 : x
  2. Step 2: Convert to fraction form
    154,859.30/232,132.05 = 104,944.40/x
  3. Step 3: Cross multiply
    154,859.30x = 232,132.05 × 104,944.40
  4. Step 4: Simplify right side
    154,859.30x = 24,360,958,708.02
  5. Step 5: Solve for x
    x = 24,360,958,708.02/154,859.30
  6. Step 6: Final answer
    x = 157,310.27

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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.