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Finding the Fourth Proportional to 89,502.83, 134,247.19 and 52,039

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Solution

The fourth proportional to 89,502.83, 134,247.19 and 52,039 is: 78,054.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,502.83 : 134,247.19 = 52,039 : x
  2. Step 2: Convert to fraction form
    89,502.83/134,247.19 = 52,039/x
  3. Step 3: Cross multiply
    89,502.83x = 134,247.19 × 52,039
  4. Step 4: Simplify right side
    89,502.83x = 6,986,089,520.41
  5. Step 5: Solve for x
    x = 6,986,089,520.41/89,502.83
  6. Step 6: Final answer
    x = 78,054.40

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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.