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Finding the Fourth Proportional to 269,681.10, 403,744.05 and 164,705.10

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Solution

The fourth proportional to 269,681.10, 403,744.05 and 164,705.10 is: 246,582.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,681.10 : 403,744.05 = 164,705.10 : x
  2. Step 2: Convert to fraction form
    269,681.10/403,744.05 = 164,705.10/x
  3. Step 3: Cross multiply
    269,681.10x = 403,744.05 × 164,705.10
  4. Step 4: Simplify right side
    269,681.10x = 66,498,704,129.66
  5. Step 5: Solve for x
    x = 66,498,704,129.66/269,681.10
  6. Step 6: Final answer
    x = 246,582.74

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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.