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Finding the Fourth Proportional to 90,608.36, 125,036.10 and 50,324.72

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Solution

The fourth proportional to 90,608.36, 125,036.10 and 50,324.72 is: 69,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,608.36 : 125,036.10 = 50,324.72 : x
  2. Step 2: Convert to fraction form
    90,608.36/125,036.10 = 50,324.72/x
  3. Step 3: Cross multiply
    90,608.36x = 125,036.10 × 50,324.72
  4. Step 4: Simplify right side
    90,608.36x = 6,292,406,097.21
  5. Step 5: Solve for x
    x = 6,292,406,097.21/90,608.36
  6. Step 6: Final answer
    x = 69,446.20

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