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Finding the Fourth Proportional to 181,297.40, 272,237.70 and 131,725.40

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Solution

The fourth proportional to 181,297.40, 272,237.70 and 131,725.40 is: 197,799.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,297.40 : 272,237.70 = 131,725.40 : x
  2. Step 2: Convert to fraction form
    181,297.40/272,237.70 = 131,725.40/x
  3. Step 3: Cross multiply
    181,297.40x = 272,237.70 × 131,725.40
  4. Step 4: Simplify right side
    181,297.40x = 35,860,619,927.58
  5. Step 5: Solve for x
    x = 35,860,619,927.58/181,297.40
  6. Step 6: Final answer
    x = 197,799.97

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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.