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Finding the Fourth Proportional to 269,433.52, 371,663.92 and 168,656.56

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Solution

The fourth proportional to 269,433.52, 371,663.92 and 168,656.56 is: 232,649.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,433.52 : 371,663.92 = 168,656.56 : x
  2. Step 2: Convert to fraction form
    269,433.52/371,663.92 = 168,656.56/x
  3. Step 3: Cross multiply
    269,433.52x = 371,663.92 × 168,656.56
  4. Step 4: Simplify right side
    269,433.52x = 62,683,558,223.32
  5. Step 5: Solve for x
    x = 62,683,558,223.32/269,433.52
  6. Step 6: Final answer
    x = 232,649.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.