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Finding the Fourth Proportional to 164,818.80, 227,059.20 and 135,950.40

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Solution

The fourth proportional to 164,818.80, 227,059.20 and 135,950.40 is: 187,289.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,818.80 : 227,059.20 = 135,950.40 : x
  2. Step 2: Convert to fraction form
    164,818.80/227,059.20 = 135,950.40/x
  3. Step 3: Cross multiply
    164,818.80x = 227,059.20 × 135,950.40
  4. Step 4: Simplify right side
    164,818.80x = 30,868,789,063.68
  5. Step 5: Solve for x
    x = 30,868,789,063.68/164,818.80
  6. Step 6: Final answer
    x = 187,289.25

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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.