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Finding the Fourth Proportional to 194,098.25, 291,147.51 and 53,857.01

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Solution

The fourth proportional to 194,098.25, 291,147.51 and 53,857.01 is: 80,785.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,098.25 : 291,147.51 = 53,857.01 : x
  2. Step 2: Convert to fraction form
    194,098.25/291,147.51 = 53,857.01/x
  3. Step 3: Cross multiply
    194,098.25x = 291,147.51 × 53,857.01
  4. Step 4: Simplify right side
    194,098.25x = 15,680,334,357.55
  5. Step 5: Solve for x
    x = 15,680,334,357.55/194,098.25
  6. Step 6: Final answer
    x = 80,785.55

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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.