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Finding the Fourth Proportional to 250,720.68, 376,136.39 and 92,949.14

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Solution

The fourth proportional to 250,720.68, 376,136.39 and 92,949.14 is: 139,444.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,720.68 : 376,136.39 = 92,949.14 : x
  2. Step 2: Convert to fraction form
    250,720.68/376,136.39 = 92,949.14/x
  3. Step 3: Cross multiply
    250,720.68x = 376,136.39 × 92,949.14
  4. Step 4: Simplify right side
    250,720.68x = 34,961,553,030.15
  5. Step 5: Solve for x
    x = 34,961,553,030.15/250,720.68
  6. Step 6: Final answer
    x = 139,444.23

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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.