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Finding the Fourth Proportional to 73,233.40, 109,850.10 and 28,845.40

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Solution

The fourth proportional to 73,233.40, 109,850.10 and 28,845.40 is: 43,268.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,233.40 : 109,850.10 = 28,845.40 : x
  2. Step 2: Convert to fraction form
    73,233.40/109,850.10 = 28,845.40/x
  3. Step 3: Cross multiply
    73,233.40x = 109,850.10 × 28,845.40
  4. Step 4: Simplify right side
    73,233.40x = 3,168,670,074.54
  5. Step 5: Solve for x
    x = 3,168,670,074.54/73,233.40
  6. Step 6: Final answer
    x = 43,268.10

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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.