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Finding the Fourth Proportional to 194,290.85, 291,560.31 and 94,396.59

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Solution

The fourth proportional to 194,290.85, 291,560.31 and 94,396.59 is: 141,655.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,290.85 : 291,560.31 = 94,396.59 : x
  2. Step 2: Convert to fraction form
    194,290.85/291,560.31 = 94,396.59/x
  3. Step 3: Cross multiply
    194,290.85x = 291,560.31 × 94,396.59
  4. Step 4: Simplify right side
    194,290.85x = 27,522,299,043.34
  5. Step 5: Solve for x
    x = 27,522,299,043.34/194,290.85
  6. Step 6: Final answer
    x = 141,655.15

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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.