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Finding the Fourth Proportional to 167,945.90, 231,750.08 and 99,951.90

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Solution

The fourth proportional to 167,945.90, 231,750.08 and 99,951.90 is: 137,924.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,945.90 : 231,750.08 = 99,951.90 : x
  2. Step 2: Convert to fraction form
    167,945.90/231,750.08 = 99,951.90/x
  3. Step 3: Cross multiply
    167,945.90x = 231,750.08 × 99,951.90
  4. Step 4: Simplify right side
    167,945.90x = 23,163,859,827.15
  5. Step 5: Solve for x
    x = 23,163,859,827.15/167,945.90
  6. Step 6: Final answer
    x = 137,924.54

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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.