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Finding the Fourth Proportional to 74,305.81, 111,458.72 and 32,151.39

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Solution

The fourth proportional to 74,305.81, 111,458.72 and 32,151.39 is: 48,227.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,305.81 : 111,458.72 = 32,151.39 : x
  2. Step 2: Convert to fraction form
    74,305.81/111,458.72 = 32,151.39/x
  3. Step 3: Cross multiply
    74,305.81x = 111,458.72 × 32,151.39
  4. Step 4: Simplify right side
    74,305.81x = 3,583,552,775.62
  5. Step 5: Solve for x
    x = 3,583,552,775.62/74,305.81
  6. Step 6: Final answer
    x = 48,227.09

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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.