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Finding the Fourth Proportional to 101,370.88, 152,046.60 and 31,231.36

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Solution

The fourth proportional to 101,370.88, 152,046.60 and 31,231.36 is: 46,844.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,370.88 : 152,046.60 = 31,231.36 : x
  2. Step 2: Convert to fraction form
    101,370.88/152,046.60 = 31,231.36/x
  3. Step 3: Cross multiply
    101,370.88x = 152,046.60 × 31,231.36
  4. Step 4: Simplify right side
    101,370.88x = 4,748,622,101.38
  5. Step 5: Solve for x
    x = 4,748,622,101.38/101,370.88
  6. Step 6: Final answer
    x = 46,844.05

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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.