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Finding the Fourth Proportional to 58,741.20, 88,306.20 and 50,187.60

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Solution

The fourth proportional to 58,741.20, 88,306.20 and 50,187.60 is: 75,447.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,741.20 : 88,306.20 = 50,187.60 : x
  2. Step 2: Convert to fraction form
    58,741.20/88,306.20 = 50,187.60/x
  3. Step 3: Cross multiply
    58,741.20x = 88,306.20 × 50,187.60
  4. Step 4: Simplify right side
    58,741.20x = 4,431,876,243.12
  5. Step 5: Solve for x
    x = 4,431,876,243.12/58,741.20
  6. Step 6: Final answer
    x = 75,447.49

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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.