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Finding the Fourth Proportional to 234,603.28, 351,877.20 and 66,136.24

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Solution

The fourth proportional to 234,603.28, 351,877.20 and 66,136.24 is: 99,196.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,603.28 : 351,877.20 = 66,136.24 : x
  2. Step 2: Convert to fraction form
    234,603.28/351,877.20 = 66,136.24/x
  3. Step 3: Cross multiply
    234,603.28x = 351,877.20 × 66,136.24
  4. Step 4: Simplify right side
    234,603.28x = 23,271,834,949.73
  5. Step 5: Solve for x
    x = 23,271,834,949.73/234,603.28
  6. Step 6: Final answer
    x = 99,196.55

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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.