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Finding the Fourth Proportional to 269,748, 404,641.44 and 103,536

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Solution

The fourth proportional to 269,748, 404,641.44 and 103,536 is: 155,311.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,748 : 404,641.44 = 103,536 : x
  2. Step 2: Convert to fraction form
    269,748/404,641.44 = 103,536/x
  3. Step 3: Cross multiply
    269,748x = 404,641.44 × 103,536
  4. Step 4: Simplify right side
    269,748x = 41,894,956,131.84
  5. Step 5: Solve for x
    x = 41,894,956,131.84/269,748
  6. Step 6: Final answer
    x = 155,311.46

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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.