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Finding the Fourth Proportional to 181,478.67, 272,273.39 and 92,794.47

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Solution

The fourth proportional to 181,478.67, 272,273.39 and 92,794.47 is: 139,220.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,478.67 : 272,273.39 = 92,794.47 : x
  2. Step 2: Convert to fraction form
    181,478.67/272,273.39 = 92,794.47/x
  3. Step 3: Cross multiply
    181,478.67x = 272,273.39 × 92,794.47
  4. Step 4: Simplify right side
    181,478.67x = 25,265,464,920.15
  5. Step 5: Solve for x
    x = 25,265,464,920.15/181,478.67
  6. Step 6: Final answer
    x = 139,220.02

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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.