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Finding the Fourth Proportional to 169,458.72, 233,863.98 and 94,007.28

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Solution

The fourth proportional to 169,458.72, 233,863.98 and 94,007.28 is: 129,736.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,458.72 : 233,863.98 = 94,007.28 : x
  2. Step 2: Convert to fraction form
    169,458.72/233,863.98 = 94,007.28/x
  3. Step 3: Cross multiply
    169,458.72x = 233,863.98 × 94,007.28
  4. Step 4: Simplify right side
    169,458.72x = 21,984,916,649.77
  5. Step 5: Solve for x
    x = 21,984,916,649.77/169,458.72
  6. Step 6: Final answer
    x = 129,736.12

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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.