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Finding the Fourth Proportional to 181,775.52, 250,799.76 and 117,217.44

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Solution

The fourth proportional to 181,775.52, 250,799.76 and 117,217.44 is: 161,727.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,775.52 : 250,799.76 = 117,217.44 : x
  2. Step 2: Convert to fraction form
    181,775.52/250,799.76 = 117,217.44/x
  3. Step 3: Cross multiply
    181,775.52x = 250,799.76 × 117,217.44
  4. Step 4: Simplify right side
    181,775.52x = 29,398,105,819.81
  5. Step 5: Solve for x
    x = 29,398,105,819.81/181,775.52
  6. Step 6: Final answer
    x = 161,727.53

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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.