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Finding the Fourth Proportional to 154,492.60, 231,738.90 and 95,135.80

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Solution

The fourth proportional to 154,492.60, 231,738.90 and 95,135.80 is: 142,703.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,492.60 : 231,738.90 = 95,135.80 : x
  2. Step 2: Convert to fraction form
    154,492.60/231,738.90 = 95,135.80/x
  3. Step 3: Cross multiply
    154,492.60x = 231,738.90 × 95,135.80
  4. Step 4: Simplify right side
    154,492.60x = 22,046,665,642.62
  5. Step 5: Solve for x
    x = 22,046,665,642.62/154,492.60
  6. Step 6: Final answer
    x = 142,703.70

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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.