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Finding the Fourth Proportional to 265,723.74, 366,699.91 and 170,285.79

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Solution

The fourth proportional to 265,723.74, 366,699.91 and 170,285.79 is: 234,995.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,723.74 : 366,699.91 = 170,285.79 : x
  2. Step 2: Convert to fraction form
    265,723.74/366,699.91 = 170,285.79/x
  3. Step 3: Cross multiply
    265,723.74x = 366,699.91 × 170,285.79
  4. Step 4: Simplify right side
    265,723.74x = 62,443,785,135.98
  5. Step 5: Solve for x
    x = 62,443,785,135.98/265,723.74
  6. Step 6: Final answer
    x = 234,995.13

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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.