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Finding the Fourth Proportional to 166,089.40, 248,874.90 and 143,798.20

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Solution

The fourth proportional to 166,089.40, 248,874.90 and 143,798.20 is: 215,472.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,089.40 : 248,874.90 = 143,798.20 : x
  2. Step 2: Convert to fraction form
    166,089.40/248,874.90 = 143,798.20/x
  3. Step 3: Cross multiply
    166,089.40x = 248,874.90 × 143,798.20
  4. Step 4: Simplify right side
    166,089.40x = 35,787,762,645.18
  5. Step 5: Solve for x
    x = 35,787,762,645.18/166,089.40
  6. Step 6: Final answer
    x = 215,472.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.