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Finding the Fourth Proportional to 171,646, 236,886.06 and 96,209.08

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Solution

The fourth proportional to 171,646, 236,886.06 and 96,209.08 is: 132,776.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,646 : 236,886.06 = 96,209.08 : x
  2. Step 2: Convert to fraction form
    171,646/236,886.06 = 96,209.08/x
  3. Step 3: Cross multiply
    171,646x = 236,886.06 × 96,209.08
  4. Step 4: Simplify right side
    171,646x = 22,790,589,897.42
  5. Step 5: Solve for x
    x = 22,790,589,897.42/171,646
  6. Step 6: Final answer
    x = 132,776.70

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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.