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Finding the Fourth Proportional to 258,622.08, 356,696.08 and 176,998.72

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Solution

The fourth proportional to 258,622.08, 356,696.08 and 176,998.72 is: 244,119.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,622.08 : 356,696.08 = 176,998.72 : x
  2. Step 2: Convert to fraction form
    258,622.08/356,696.08 = 176,998.72/x
  3. Step 3: Cross multiply
    258,622.08x = 356,696.08 × 176,998.72
  4. Step 4: Simplify right side
    258,622.08x = 63,134,749,589.02
  5. Step 5: Solve for x
    x = 63,134,749,589.02/258,622.08
  6. Step 6: Final answer
    x = 244,119.72

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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.