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Finding the Fourth Proportional to 225,494.12, 311,391.06 and 168,807.08

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Solution

The fourth proportional to 225,494.12, 311,391.06 and 168,807.08 is: 233,110.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,494.12 : 311,391.06 = 168,807.08 : x
  2. Step 2: Convert to fraction form
    225,494.12/311,391.06 = 168,807.08/x
  3. Step 3: Cross multiply
    225,494.12x = 311,391.06 × 168,807.08
  4. Step 4: Simplify right side
    225,494.12x = 52,565,015,576.70
  5. Step 5: Solve for x
    x = 52,565,015,576.70/225,494.12
  6. Step 6: Final answer
    x = 233,110.36

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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.