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Finding the Fourth Proportional to 189,791.52, 284,590.44 and 63,386.22

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Solution

The fourth proportional to 189,791.52, 284,590.44 and 63,386.22 is: 95,046.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,791.52 : 284,590.44 = 63,386.22 : x
  2. Step 2: Convert to fraction form
    189,791.52/284,590.44 = 63,386.22/x
  3. Step 3: Cross multiply
    189,791.52x = 284,590.44 × 63,386.22
  4. Step 4: Simplify right side
    189,791.52x = 18,039,112,239.74
  5. Step 5: Solve for x
    x = 18,039,112,239.74/189,791.52
  6. Step 6: Final answer
    x = 95,046.99

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1.5x scale

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.