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Finding the Fourth Proportional to 97,360.91, 134,362.14 and 54,919.43

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Solution

The fourth proportional to 97,360.91, 134,362.14 and 54,919.43 is: 75,791.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,360.91 : 134,362.14 = 54,919.43 : x
  2. Step 2: Convert to fraction form
    97,360.91/134,362.14 = 54,919.43/x
  3. Step 3: Cross multiply
    97,360.91x = 134,362.14 × 54,919.43
  4. Step 4: Simplify right side
    97,360.91x = 7,379,092,142.38
  5. Step 5: Solve for x
    x = 7,379,092,142.38/97,360.91
  6. Step 6: Final answer
    x = 75,791.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.