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Finding the Fourth Proportional to 161,144.70, 241,425.45 and 137,816.70

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Solution

The fourth proportional to 161,144.70, 241,425.45 and 137,816.70 is: 206,475.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,144.70 : 241,425.45 = 137,816.70 : x
  2. Step 2: Convert to fraction form
    161,144.70/241,425.45 = 137,816.70/x
  3. Step 3: Cross multiply
    161,144.70x = 241,425.45 × 137,816.70
  4. Step 4: Simplify right side
    161,144.70x = 33,272,458,815.02
  5. Step 5: Solve for x
    x = 33,272,458,815.02/161,144.70
  6. Step 6: Final answer
    x = 206,475.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.