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Finding the Fourth Proportional to 169,488, 233,892.81 and 93,008.39

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Solution

The fourth proportional to 169,488, 233,892.81 and 93,008.39 is: 128,351.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,488 : 233,892.81 = 93,008.39 : x
  2. Step 2: Convert to fraction form
    169,488/233,892.81 = 93,008.39/x
  3. Step 3: Cross multiply
    169,488x = 233,892.81 × 93,008.39
  4. Step 4: Simplify right side
    169,488x = 21,753,992,521.21
  5. Step 5: Solve for x
    x = 21,753,992,521.21/169,488
  6. Step 6: Final answer
    x = 128,351.23

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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.