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Finding the Fourth Proportional to 269,968.90, 404,953.35 and 181,495.30

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Solution

The fourth proportional to 269,968.90, 404,953.35 and 181,495.30 is: 272,242.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,968.90 : 404,953.35 = 181,495.30 : x
  2. Step 2: Convert to fraction form
    269,968.90/404,953.35 = 181,495.30/x
  3. Step 3: Cross multiply
    269,968.90x = 404,953.35 × 181,495.30
  4. Step 4: Simplify right side
    269,968.90x = 73,497,129,744.26
  5. Step 5: Solve for x
    x = 73,497,129,744.26/269,968.90
  6. Step 6: Final answer
    x = 272,242.95

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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.