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Finding the Fourth Proportional to 269,530.70, 404,344.65 and 111,775.10

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Solution

The fourth proportional to 269,530.70, 404,344.65 and 111,775.10 is: 167,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,530.70 : 404,344.65 = 111,775.10 : x
  2. Step 2: Convert to fraction form
    269,530.70/404,344.65 = 111,775.10/x
  3. Step 3: Cross multiply
    269,530.70x = 404,344.65 × 111,775.10
  4. Step 4: Simplify right side
    269,530.70x = 45,195,663,688.22
  5. Step 5: Solve for x
    x = 45,195,663,688.22/269,530.70
  6. Step 6: Final answer
    x = 167,682.80

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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.