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Finding the Fourth Proportional to 223,864.83, 308,955.24 and 167,177.79

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Solution

The fourth proportional to 223,864.83, 308,955.24 and 167,177.79 is: 230,721.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,864.83 : 308,955.24 = 167,177.79 : x
  2. Step 2: Convert to fraction form
    223,864.83/308,955.24 = 167,177.79/x
  3. Step 3: Cross multiply
    223,864.83x = 308,955.24 × 167,177.79
  4. Step 4: Simplify right side
    223,864.83x = 51,650,454,232.12
  5. Step 5: Solve for x
    x = 51,650,454,232.12/223,864.83
  6. Step 6: Final answer
    x = 230,721.61

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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.