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Finding the Fourth Proportional to 164,508.71, 227,017.85 and 91,912.16

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Solution

The fourth proportional to 164,508.71, 227,017.85 and 91,912.16 is: 126,836.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,508.71 : 227,017.85 = 91,912.16 : x
  2. Step 2: Convert to fraction form
    164,508.71/227,017.85 = 91,912.16/x
  3. Step 3: Cross multiply
    164,508.71x = 227,017.85 × 91,912.16
  4. Step 4: Simplify right side
    164,508.71x = 20,865,701,060.04
  5. Step 5: Solve for x
    x = 20,865,701,060.04/164,508.71
  6. Step 6: Final answer
    x = 126,836.45

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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.