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Finding the Fourth Proportional to 171,567, 236,772.18 and 96,139.80

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Solution

The fourth proportional to 171,567, 236,772.18 and 96,139.80 is: 132,678.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,567 : 236,772.18 = 96,139.80 : x
  2. Step 2: Convert to fraction form
    171,567/236,772.18 = 96,139.80/x
  3. Step 3: Cross multiply
    171,567x = 236,772.18 × 96,139.80
  4. Step 4: Simplify right side
    171,567x = 22,763,230,030.76
  5. Step 5: Solve for x
    x = 22,763,230,030.76/171,567
  6. Step 6: Final answer
    x = 132,678.37

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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.