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Finding the Fourth Proportional to 171,170.52, 236,210.90 and 94,687.62

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Solution

The fourth proportional to 171,170.52, 236,210.90 and 94,687.62 is: 130,666.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,170.52 : 236,210.90 = 94,687.62 : x
  2. Step 2: Convert to fraction form
    171,170.52/236,210.90 = 94,687.62/x
  3. Step 3: Cross multiply
    171,170.52x = 236,210.90 × 94,687.62
  4. Step 4: Simplify right side
    171,170.52x = 22,366,247,939.06
  5. Step 5: Solve for x
    x = 22,366,247,939.06/171,170.52
  6. Step 6: Final answer
    x = 130,666.47

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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.