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Finding the Fourth Proportional to 269,762.10, 404,643.15 and 92,274.90

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Solution

The fourth proportional to 269,762.10, 404,643.15 and 92,274.90 is: 138,412.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,762.10 : 404,643.15 = 92,274.90 : x
  2. Step 2: Convert to fraction form
    269,762.10/404,643.15 = 92,274.90/x
  3. Step 3: Cross multiply
    269,762.10x = 404,643.15 × 92,274.90
  4. Step 4: Simplify right side
    269,762.10x = 37,338,406,201.94
  5. Step 5: Solve for x
    x = 37,338,406,201.94/269,762.10
  6. Step 6: Final answer
    x = 138,412.35

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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.