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Finding the Fourth Proportional to 154,899.20, 232,003.20 and 127,251.20

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Solution

The fourth proportional to 154,899.20, 232,003.20 and 127,251.20 is: 190,592.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,899.20 : 232,003.20 = 127,251.20 : x
  2. Step 2: Convert to fraction form
    154,899.20/232,003.20 = 127,251.20/x
  3. Step 3: Cross multiply
    154,899.20x = 232,003.20 × 127,251.20
  4. Step 4: Simplify right side
    154,899.20x = 29,522,685,603.84
  5. Step 5: Solve for x
    x = 29,522,685,603.84/154,899.20
  6. Step 6: Final answer
    x = 190,592.89

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1.5x scale

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.