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Finding the Fourth Proportional to 262,909.38, 394,191.52 and 94,345.14

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Solution

The fourth proportional to 262,909.38, 394,191.52 and 94,345.14 is: 141,455.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,909.38 : 394,191.52 = 94,345.14 : x
  2. Step 2: Convert to fraction form
    262,909.38/394,191.52 = 94,345.14/x
  3. Step 3: Cross multiply
    262,909.38x = 394,191.52 × 94,345.14
  4. Step 4: Simplify right side
    262,909.38x = 37,190,054,141.21
  5. Step 5: Solve for x
    x = 37,190,054,141.21/262,909.38
  6. Step 6: Final answer
    x = 141,455.79

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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.