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Finding the Fourth Proportional to 225,078.66, 310,596.93 and 123,084.27

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Solution

The fourth proportional to 225,078.66, 310,596.93 and 123,084.27 is: 169,849.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,078.66 : 310,596.93 = 123,084.27 : x
  2. Step 2: Convert to fraction form
    225,078.66/310,596.93 = 123,084.27/x
  3. Step 3: Cross multiply
    225,078.66x = 310,596.93 × 123,084.27
  4. Step 4: Simplify right side
    225,078.66x = 38,229,596,393.29
  5. Step 5: Solve for x
    x = 38,229,596,393.29/225,078.66
  6. Step 6: Final answer
    x = 169,849.94

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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.