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Finding the Fourth Proportional to 166,718.89, 230,072.04 and 91,267.39

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Solution

The fourth proportional to 166,718.89, 230,072.04 and 91,267.39 is: 125,948.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,718.89 : 230,072.04 = 91,267.39 : x
  2. Step 2: Convert to fraction form
    166,718.89/230,072.04 = 91,267.39/x
  3. Step 3: Cross multiply
    166,718.89x = 230,072.04 × 91,267.39
  4. Step 4: Simplify right side
    166,718.89x = 20,998,074,602.78
  5. Step 5: Solve for x
    x = 20,998,074,602.78/166,718.89
  6. Step 6: Final answer
    x = 125,948.98

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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.