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Finding the Fourth Proportional to 267,476.66, 401,267.54 and 98,998.44

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Solution

The fourth proportional to 267,476.66, 401,267.54 and 98,998.44 is: 148,517.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,476.66 : 401,267.54 = 98,998.44 : x
  2. Step 2: Convert to fraction form
    267,476.66/401,267.54 = 98,998.44/x
  3. Step 3: Cross multiply
    267,476.66x = 401,267.54 × 98,998.44
  4. Step 4: Simplify right side
    267,476.66x = 39,724,859,987.65
  5. Step 5: Solve for x
    x = 39,724,859,987.65/267,476.66
  6. Step 6: Final answer
    x = 148,517.11

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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.