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Finding the Fourth Proportional to 171,316.72, 236,414.20 and 94,834.20

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Solution

The fourth proportional to 171,316.72, 236,414.20 and 94,834.20 is: 130,869.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,316.72 : 236,414.20 = 94,834.20 : x
  2. Step 2: Convert to fraction form
    171,316.72/236,414.20 = 94,834.20/x
  3. Step 3: Cross multiply
    171,316.72x = 236,414.20 × 94,834.20
  4. Step 4: Simplify right side
    171,316.72x = 22,420,151,525.64
  5. Step 5: Solve for x
    x = 22,420,151,525.64/171,316.72
  6. Step 6: Final answer
    x = 130,869.61

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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.