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Finding the Fourth Proportional to 191,337.44, 287,049.84 and 58,236.56

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Solution

The fourth proportional to 191,337.44, 287,049.84 and 58,236.56 is: 87,368.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,337.44 : 287,049.84 = 58,236.56 : x
  2. Step 2: Convert to fraction form
    191,337.44/287,049.84 = 58,236.56/x
  3. Step 3: Cross multiply
    191,337.44x = 287,049.84 × 58,236.56
  4. Step 4: Simplify right side
    191,337.44x = 16,716,795,230.15
  5. Step 5: Solve for x
    x = 16,716,795,230.15/191,337.44
  6. Step 6: Final answer
    x = 87,368.13

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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.