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Finding the Fourth Proportional to 181,554.70, 272,473.80 and 125,786.20

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Solution

The fourth proportional to 181,554.70, 272,473.80 and 125,786.20 is: 188,777.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,554.70 : 272,473.80 = 125,786.20 : x
  2. Step 2: Convert to fraction form
    181,554.70/272,473.80 = 125,786.20/x
  3. Step 3: Cross multiply
    181,554.70x = 272,473.80 × 125,786.20
  4. Step 4: Simplify right side
    181,554.70x = 34,273,443,901.56
  5. Step 5: Solve for x
    x = 34,273,443,901.56/181,554.70
  6. Step 6: Final answer
    x = 188,777.51

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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.