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Finding the Fourth Proportional to 193,958.40, 291,025.92 and 94,064.64

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Solution

The fourth proportional to 193,958.40, 291,025.92 and 94,064.64 is: 141,139.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,958.40 : 291,025.92 = 94,064.64 : x
  2. Step 2: Convert to fraction form
    193,958.40/291,025.92 = 94,064.64/x
  3. Step 3: Cross multiply
    193,958.40x = 291,025.92 × 94,064.64
  4. Step 4: Simplify right side
    193,958.40x = 27,375,248,395.47
  5. Step 5: Solve for x
    x = 27,375,248,395.47/193,958.40
  6. Step 6: Final answer
    x = 141,139.79

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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.