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Finding the Fourth Proportional to 537,012.76, 805,500.42 and 137,657.56

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Solution

The fourth proportional to 537,012.76, 805,500.42 and 137,657.56 is: 206,481.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,012.76 : 805,500.42 = 137,657.56 : x
  2. Step 2: Convert to fraction form
    537,012.76/805,500.42 = 137,657.56/x
  3. Step 3: Cross multiply
    537,012.76x = 805,500.42 × 137,657.56
  4. Step 4: Simplify right side
    537,012.76x = 110,883,222,396.18
  5. Step 5: Solve for x
    x = 110,883,222,396.18/537,012.76
  6. Step 6: Final answer
    x = 206,481.54

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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.