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Finding the Fourth Proportional to 167,333.90, 230,919.49 and 90,851.48

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Solution

The fourth proportional to 167,333.90, 230,919.49 and 90,851.48 is: 125,374.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,333.90 : 230,919.49 = 90,851.48 : x
  2. Step 2: Convert to fraction form
    167,333.90/230,919.49 = 90,851.48/x
  3. Step 3: Cross multiply
    167,333.90x = 230,919.49 × 90,851.48
  4. Step 4: Simplify right side
    167,333.90x = 20,979,377,252.26
  5. Step 5: Solve for x
    x = 20,979,377,252.26/167,333.90
  6. Step 6: Final answer
    x = 125,374.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.