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Finding the Fourth Proportional to 248,336.30, 372,508.01 and 70,843.33

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Solution

The fourth proportional to 248,336.30, 372,508.01 and 70,843.33 is: 106,266.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,336.30 : 372,508.01 = 70,843.33 : x
  2. Step 2: Convert to fraction form
    248,336.30/372,508.01 = 70,843.33/x
  3. Step 3: Cross multiply
    248,336.30x = 372,508.01 × 70,843.33
  4. Step 4: Simplify right side
    248,336.30x = 26,389,706,560.29
  5. Step 5: Solve for x
    x = 26,389,706,560.29/248,336.30
  6. Step 6: Final answer
    x = 106,266.01

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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.