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Finding the Fourth Proportional to 181,608.81, 250,628.28 and 151,343.49

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Solution

The fourth proportional to 181,608.81, 250,628.28 and 151,343.49 is: 208,860.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,608.81 : 250,628.28 = 151,343.49 : x
  2. Step 2: Convert to fraction form
    181,608.81/250,628.28 = 151,343.49/x
  3. Step 3: Cross multiply
    181,608.81x = 250,628.28 × 151,343.49
  4. Step 4: Simplify right side
    181,608.81x = 37,930,958,587.90
  5. Step 5: Solve for x
    x = 37,930,958,587.90/181,608.81
  6. Step 6: Final answer
    x = 208,860.78

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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.