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Finding the Fourth Proportional to 144,499.90, 201,906.20 and 144,499.90

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Solution

The fourth proportional to 144,499.90, 201,906.20 and 144,499.90 is: 201,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,499.90 : 201,906.20 = 144,499.90 : x
  2. Step 2: Convert to fraction form
    144,499.90/201,906.20 = 144,499.90/x
  3. Step 3: Cross multiply
    144,499.90x = 201,906.20 × 144,499.90
  4. Step 4: Simplify right side
    144,499.90x = 29,175,425,709.38
  5. Step 5: Solve for x
    x = 29,175,425,709.38/144,499.90
  6. Step 6: Final answer
    x = 201,906.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.