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Finding the Fourth Proportional to 218,552.54, 301,608.02 and 123,062.45

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Solution

The fourth proportional to 218,552.54, 301,608.02 and 123,062.45 is: 169,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,552.54 : 301,608.02 = 123,062.45 : x
  2. Step 2: Convert to fraction form
    218,552.54/301,608.02 = 123,062.45/x
  3. Step 3: Cross multiply
    218,552.54x = 301,608.02 × 123,062.45
  4. Step 4: Simplify right side
    218,552.54x = 37,116,620,680.47
  5. Step 5: Solve for x
    x = 37,116,620,680.47/218,552.54
  6. Step 6: Final answer
    x = 169,829.28

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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.