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Finding the Fourth Proportional to 171,969.90, 237,318.46 and 96,518.40

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Solution

The fourth proportional to 171,969.90, 237,318.46 and 96,518.40 is: 133,195.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,969.90 : 237,318.46 = 96,518.40 : x
  2. Step 2: Convert to fraction form
    171,969.90/237,318.46 = 96,518.40/x
  3. Step 3: Cross multiply
    171,969.90x = 237,318.46 × 96,518.40
  4. Step 4: Simplify right side
    171,969.90x = 22,905,598,049.66
  5. Step 5: Solve for x
    x = 22,905,598,049.66/171,969.90
  6. Step 6: Final answer
    x = 133,195.39

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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.