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Finding the Fourth Proportional to 166,681.17, 230,020.01 and 90,200.27

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Solution

The fourth proportional to 166,681.17, 230,020.01 and 90,200.27 is: 124,476.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,681.17 : 230,020.01 = 90,200.27 : x
  2. Step 2: Convert to fraction form
    166,681.17/230,020.01 = 90,200.27/x
  3. Step 3: Cross multiply
    166,681.17x = 230,020.01 × 90,200.27
  4. Step 4: Simplify right side
    166,681.17x = 20,747,867,007.40
  5. Step 5: Solve for x
    x = 20,747,867,007.40/166,681.17
  6. Step 6: Final answer
    x = 124,476.37

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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.