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Finding the Fourth Proportional to 171,172.52, 236,213.66 and 94,689.62

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Solution

The fourth proportional to 171,172.52, 236,213.66 and 94,689.62 is: 130,669.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,172.52 : 236,213.66 = 94,689.62 : x
  2. Step 2: Convert to fraction form
    171,172.52/236,213.66 = 94,689.62/x
  3. Step 3: Cross multiply
    171,172.52x = 236,213.66 × 94,689.62
  4. Step 4: Simplify right side
    171,172.52x = 22,366,981,704.21
  5. Step 5: Solve for x
    x = 22,366,981,704.21/171,172.52
  6. Step 6: Final answer
    x = 130,669.23

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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.