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Finding the Fourth Proportional to 269,810.39, 404,798.05 and 161,859.39

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Solution

The fourth proportional to 269,810.39, 404,798.05 and 161,859.39 is: 242,838.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,810.39 : 404,798.05 = 161,859.39 : x
  2. Step 2: Convert to fraction form
    269,810.39/404,798.05 = 161,859.39/x
  3. Step 3: Cross multiply
    269,810.39x = 404,798.05 × 161,859.39
  4. Step 4: Simplify right side
    269,810.39x = 65,520,365,041.17
  5. Step 5: Solve for x
    x = 65,520,365,041.17/269,810.39
  6. Step 6: Final answer
    x = 242,838.56

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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.