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Finding the Fourth Proportional to 170,193.48, 255,290.24 and 45,531.24

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Solution

The fourth proportional to 170,193.48, 255,290.24 and 45,531.24 is: 68,296.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,193.48 : 255,290.24 = 45,531.24 : x
  2. Step 2: Convert to fraction form
    170,193.48/255,290.24 = 45,531.24/x
  3. Step 3: Cross multiply
    170,193.48x = 255,290.24 × 45,531.24
  4. Step 4: Simplify right side
    170,193.48x = 11,623,681,187.10
  5. Step 5: Solve for x
    x = 11,623,681,187.10/170,193.48
  6. Step 6: Final answer
    x = 68,296.87

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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.