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Finding the Fourth Proportional to 154,476.60, 231,860.70 and 95,427.60

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Solution

The fourth proportional to 154,476.60, 231,860.70 and 95,427.60 is: 143,231.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,476.60 : 231,860.70 = 95,427.60 : x
  2. Step 2: Convert to fraction form
    154,476.60/231,860.70 = 95,427.60/x
  3. Step 3: Cross multiply
    154,476.60x = 231,860.70 × 95,427.60
  4. Step 4: Simplify right side
    154,476.60x = 22,125,910,135.32
  5. Step 5: Solve for x
    x = 22,125,910,135.32/154,476.60
  6. Step 6: Final answer
    x = 143,231.47

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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.