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Finding the Fourth Proportional to 496,885.02, 745,098.21 and 159,863.10

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Solution

The fourth proportional to 496,885.02, 745,098.21 and 159,863.10 is: 239,720.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,885.02 : 745,098.21 = 159,863.10 : x
  2. Step 2: Convert to fraction form
    496,885.02/745,098.21 = 159,863.10/x
  3. Step 3: Cross multiply
    496,885.02x = 745,098.21 × 159,863.10
  4. Step 4: Simplify right side
    496,885.02x = 119,113,709,655.05
  5. Step 5: Solve for x
    x = 119,113,709,655.05/496,885.02
  6. Step 6: Final answer
    x = 239,720.87

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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.