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Finding the Fourth Proportional to 168,471.28, 232,485.92 and 93,018.16

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Solution

The fourth proportional to 168,471.28, 232,485.92 and 93,018.16 is: 128,362.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,471.28 : 232,485.92 = 93,018.16 : x
  2. Step 2: Convert to fraction form
    168,471.28/232,485.92 = 93,018.16/x
  3. Step 3: Cross multiply
    168,471.28x = 232,485.92 × 93,018.16
  4. Step 4: Simplify right side
    168,471.28x = 21,625,412,504.31
  5. Step 5: Solve for x
    x = 21,625,412,504.31/168,471.28
  6. Step 6: Final answer
    x = 128,362.61

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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.