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Finding the Fourth Proportional to 101,940.98, 152,911.58 and 38,746.26

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Solution

The fourth proportional to 101,940.98, 152,911.58 and 38,746.26 is: 58,119.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,940.98 : 152,911.58 = 38,746.26 : x
  2. Step 2: Convert to fraction form
    101,940.98/152,911.58 = 38,746.26/x
  3. Step 3: Cross multiply
    101,940.98x = 152,911.58 × 38,746.26
  4. Step 4: Simplify right side
    101,940.98x = 5,924,751,641.96
  5. Step 5: Solve for x
    x = 5,924,751,641.96/101,940.98
  6. Step 6: Final answer
    x = 58,119.43

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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.