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Finding the Fourth Proportional to 166,893.78, 250,066.99 and 70,754.18

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Solution

The fourth proportional to 166,893.78, 250,066.99 and 70,754.18 is: 106,015.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,893.78 : 250,066.99 = 70,754.18 : x
  2. Step 2: Convert to fraction form
    166,893.78/250,066.99 = 70,754.18/x
  3. Step 3: Cross multiply
    166,893.78x = 250,066.99 × 70,754.18
  4. Step 4: Simplify right side
    166,893.78x = 17,693,284,669.26
  5. Step 5: Solve for x
    x = 17,693,284,669.26/166,893.78
  6. Step 6: Final answer
    x = 106,015.24

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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.