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Finding the Fourth Proportional to 194,588.43, 291,882.65 and 89,495.79

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Solution

The fourth proportional to 194,588.43, 291,882.65 and 89,495.79 is: 134,243.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,588.43 : 291,882.65 = 89,495.79 : x
  2. Step 2: Convert to fraction form
    194,588.43/291,882.65 = 89,495.79/x
  3. Step 3: Cross multiply
    194,588.43x = 291,882.65 × 89,495.79
  4. Step 4: Simplify right side
    194,588.43x = 26,122,267,901.56
  5. Step 5: Solve for x
    x = 26,122,267,901.56/194,588.43
  6. Step 6: Final answer
    x = 134,243.69

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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.