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Finding the Fourth Proportional to 267,636.96, 401,463.84 and 99,199.44

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Solution

The fourth proportional to 267,636.96, 401,463.84 and 99,199.44 is: 148,802.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,636.96 : 401,463.84 = 99,199.44 : x
  2. Step 2: Convert to fraction form
    267,636.96/401,463.84 = 99,199.44/x
  3. Step 3: Cross multiply
    267,636.96x = 401,463.84 × 99,199.44
  4. Step 4: Simplify right side
    267,636.96x = 39,824,988,108.25
  5. Step 5: Solve for x
    x = 39,824,988,108.25/267,636.96
  6. Step 6: Final answer
    x = 148,802.27

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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.