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Finding the Fourth Proportional to 194,230.02, 291,245.67 and 88,958.78

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Solution

The fourth proportional to 194,230.02, 291,245.67 and 88,958.78 is: 133,392.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,230.02 : 291,245.67 = 88,958.78 : x
  2. Step 2: Convert to fraction form
    194,230.02/291,245.67 = 88,958.78/x
  3. Step 3: Cross multiply
    194,230.02x = 291,245.67 × 88,958.78
  4. Step 4: Simplify right side
    194,230.02x = 25,908,859,483.48
  5. Step 5: Solve for x
    x = 25,908,859,483.48/194,230.02
  6. Step 6: Final answer
    x = 133,392.66

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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.