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Finding the Fourth Proportional to 166,963.60, 230,409.25 and 90,484.89

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Solution

The fourth proportional to 166,963.60, 230,409.25 and 90,484.89 is: 124,868.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,963.60 : 230,409.25 = 90,484.89 : x
  2. Step 2: Convert to fraction form
    166,963.60/230,409.25 = 90,484.89/x
  3. Step 3: Cross multiply
    166,963.60x = 230,409.25 × 90,484.89
  4. Step 4: Simplify right side
    166,963.60x = 20,848,555,641.23
  5. Step 5: Solve for x
    x = 20,848,555,641.23/166,963.60
  6. Step 6: Final answer
    x = 124,868.87

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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.