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Finding the Fourth Proportional to 169,486.93, 233,891.32 and 93,007.31

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Solution

The fourth proportional to 169,486.93, 233,891.32 and 93,007.31 is: 128,349.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,486.93 : 233,891.32 = 93,007.31 : x
  2. Step 2: Convert to fraction form
    169,486.93/233,891.32 = 93,007.31/x
  3. Step 3: Cross multiply
    169,486.93x = 233,891.32 × 93,007.31
  4. Step 4: Simplify right side
    169,486.93x = 21,753,603,513.00
  5. Step 5: Solve for x
    x = 21,753,603,513.00/169,486.93
  6. Step 6: Final answer
    x = 128,349.74

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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.