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Finding the Fourth Proportional to 267,136.09, 400,068.07 and 154,579.10

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Solution

The fourth proportional to 267,136.09, 400,068.07 and 154,579.10 is: 231,500.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,136.09 : 400,068.07 = 154,579.10 : x
  2. Step 2: Convert to fraction form
    267,136.09/400,068.07 = 154,579.10/x
  3. Step 3: Cross multiply
    267,136.09x = 400,068.07 × 154,579.10
  4. Step 4: Simplify right side
    267,136.09x = 61,842,159,812.55
  5. Step 5: Solve for x
    x = 61,842,159,812.55/267,136.09
  6. Step 6: Final answer
    x = 231,500.58

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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.