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Finding the Fourth Proportional to 171,112.52, 236,140.50 and 95,664.20

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Solution

The fourth proportional to 171,112.52, 236,140.50 and 95,664.20 is: 132,019.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,112.52 : 236,140.50 = 95,664.20 : x
  2. Step 2: Convert to fraction form
    171,112.52/236,140.50 = 95,664.20/x
  3. Step 3: Cross multiply
    171,112.52x = 236,140.50 × 95,664.20
  4. Step 4: Simplify right side
    171,112.52x = 22,590,192,020.10
  5. Step 5: Solve for x
    x = 22,590,192,020.10/171,112.52
  6. Step 6: Final answer
    x = 132,019.52

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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.