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Finding the Fourth Proportional to 245,445.87, 367,723.85 and 112,437.39

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Solution

The fourth proportional to 245,445.87, 367,723.85 and 112,437.39 is: 168,452.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,445.87 : 367,723.85 = 112,437.39 : x
  2. Step 2: Convert to fraction form
    245,445.87/367,723.85 = 112,437.39/x
  3. Step 3: Cross multiply
    245,445.87x = 367,723.85 × 112,437.39
  4. Step 4: Simplify right side
    245,445.87x = 41,345,909,372.56
  5. Step 5: Solve for x
    x = 41,345,909,372.56/245,445.87
  6. Step 6: Final answer
    x = 168,452.25

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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.