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Finding the Fourth Proportional to 169,549.11, 233,978.42 and 94,097.61

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Solution

The fourth proportional to 169,549.11, 233,978.42 and 94,097.61 is: 129,855.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,549.11 : 233,978.42 = 94,097.61 : x
  2. Step 2: Convert to fraction form
    169,549.11/233,978.42 = 94,097.61/x
  3. Step 3: Cross multiply
    169,549.11x = 233,978.42 × 94,097.61
  4. Step 4: Simplify right side
    169,549.11x = 22,016,809,643.09
  5. Step 5: Solve for x
    x = 22,016,809,643.09/169,549.11
  6. Step 6: Final answer
    x = 129,855.06

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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.