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Finding the Fourth Proportional to 171,639, 236,876.40 and 96,202.08

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Solution

The fourth proportional to 171,639, 236,876.40 and 96,202.08 is: 132,767.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,639 : 236,876.40 = 96,202.08 : x
  2. Step 2: Convert to fraction form
    171,639/236,876.40 = 96,202.08/x
  3. Step 3: Cross multiply
    171,639x = 236,876.40 × 96,202.08
  4. Step 4: Simplify right side
    171,639x = 22,788,002,382.91
  5. Step 5: Solve for x
    x = 22,788,002,382.91/171,639
  6. Step 6: Final answer
    x = 132,767.04

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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.