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Finding the Fourth Proportional to 267,699.10, 401,402.04 and 123,448.36

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Solution

The fourth proportional to 267,699.10, 401,402.04 and 123,448.36 is: 185,104.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,699.10 : 401,402.04 = 123,448.36 : x
  2. Step 2: Convert to fraction form
    267,699.10/401,402.04 = 123,448.36/x
  3. Step 3: Cross multiply
    267,699.10x = 401,402.04 × 123,448.36
  4. Step 4: Simplify right side
    267,699.10x = 49,552,423,538.65
  5. Step 5: Solve for x
    x = 49,552,423,538.65/267,699.10
  6. Step 6: Final answer
    x = 185,104.93

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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.