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Finding the Fourth Proportional to 225,055.33, 310,563.79 and 123,060.53

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Solution

The fourth proportional to 225,055.33, 310,563.79 and 123,060.53 is: 169,816.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,055.33 : 310,563.79 = 123,060.53 : x
  2. Step 2: Convert to fraction form
    225,055.33/310,563.79 = 123,060.53/x
  3. Step 3: Cross multiply
    225,055.33x = 310,563.79 × 123,060.53
  4. Step 4: Simplify right side
    225,055.33x = 38,218,145,064.97
  5. Step 5: Solve for x
    x = 38,218,145,064.97/225,055.33
  6. Step 6: Final answer
    x = 169,816.66

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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.