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Finding the Fourth Proportional to 166,681.83, 230,019.30 and 90,199.29

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Solution

The fourth proportional to 166,681.83, 230,019.30 and 90,199.29 is: 124,474.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,681.83 : 230,019.30 = 90,199.29 : x
  2. Step 2: Convert to fraction form
    166,681.83/230,019.30 = 90,199.29/x
  3. Step 3: Cross multiply
    166,681.83x = 230,019.30 × 90,199.29
  4. Step 4: Simplify right side
    166,681.83x = 20,747,577,546.30
  5. Step 5: Solve for x
    x = 20,747,577,546.30/166,681.83
  6. Step 6: Final answer
    x = 124,474.14

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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.