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Finding the Fourth Proportional to 163,161, 225,162.72 and 95,224.68

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Solution

The fourth proportional to 163,161, 225,162.72 and 95,224.68 is: 131,410.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,161 : 225,162.72 = 95,224.68 : x
  2. Step 2: Convert to fraction form
    163,161/225,162.72 = 95,224.68/x
  3. Step 3: Cross multiply
    163,161x = 225,162.72 × 95,224.68
  4. Step 4: Simplify right side
    163,161x = 21,441,047,959.93
  5. Step 5: Solve for x
    x = 21,441,047,959.93/163,161
  6. Step 6: Final answer
    x = 131,410.37

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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.