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Finding the Fourth Proportional to 240,245.34, 331,492.95 and 150,781.02

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Solution

The fourth proportional to 240,245.34, 331,492.95 and 150,781.02 is: 208,049.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,245.34 : 331,492.95 = 150,781.02 : x
  2. Step 2: Convert to fraction form
    240,245.34/331,492.95 = 150,781.02/x
  3. Step 3: Cross multiply
    240,245.34x = 331,492.95 × 150,781.02
  4. Step 4: Simplify right side
    240,245.34x = 49,982,845,123.81
  5. Step 5: Solve for x
    x = 49,982,845,123.81/240,245.34
  6. Step 6: Final answer
    x = 208,049.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.