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Finding the Fourth Proportional to 101,395.90, 152,043.09 and 31,266.10

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Solution

The fourth proportional to 101,395.90, 152,043.09 and 31,266.10 is: 46,883.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,395.90 : 152,043.09 = 31,266.10 : x
  2. Step 2: Convert to fraction form
    101,395.90/152,043.09 = 31,266.10/x
  3. Step 3: Cross multiply
    101,395.90x = 152,043.09 × 31,266.10
  4. Step 4: Simplify right side
    101,395.90x = 4,753,794,456.25
  5. Step 5: Solve for x
    x = 4,753,794,456.25/101,395.90
  6. Step 6: Final answer
    x = 46,883.50

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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.