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Finding the Fourth Proportional to 169,135.72, 233,397.28 and 92,639.56

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Solution

The fourth proportional to 169,135.72, 233,397.28 and 92,639.56 is: 127,837.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,135.72 : 233,397.28 = 92,639.56 : x
  2. Step 2: Convert to fraction form
    169,135.72/233,397.28 = 92,639.56/x
  3. Step 3: Cross multiply
    169,135.72x = 233,397.28 × 92,639.56
  4. Step 4: Simplify right side
    169,135.72x = 21,621,821,324.40
  5. Step 5: Solve for x
    x = 21,621,821,324.40/169,135.72
  6. Step 6: Final answer
    x = 127,837.11

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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.