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Finding the Fourth Proportional to 104,855.88, 157,351.46 and 38,290.44

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Solution

The fourth proportional to 104,855.88, 157,351.46 and 38,290.44 is: 57,460.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,855.88 : 157,351.46 = 38,290.44 : x
  2. Step 2: Convert to fraction form
    104,855.88/157,351.46 = 38,290.44/x
  3. Step 3: Cross multiply
    104,855.88x = 157,351.46 × 38,290.44
  4. Step 4: Simplify right side
    104,855.88x = 6,025,056,446.59
  5. Step 5: Solve for x
    x = 6,025,056,446.59/104,855.88
  6. Step 6: Final answer
    x = 57,460.36

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1.5x scale

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.