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Finding the Fourth Proportional to 65,462.37, 90,338.71 and 37,168.69

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Solution

The fourth proportional to 65,462.37, 90,338.71 and 37,168.69 is: 51,293.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,462.37 : 90,338.71 = 37,168.69 : x
  2. Step 2: Convert to fraction form
    65,462.37/90,338.71 = 37,168.69/x
  3. Step 3: Cross multiply
    65,462.37x = 90,338.71 × 37,168.69
  4. Step 4: Simplify right side
    65,462.37x = 3,357,771,321.15
  5. Step 5: Solve for x
    x = 3,357,771,321.15/65,462.37
  6. Step 6: Final answer
    x = 51,293.15

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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.