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Finding the Fourth Proportional to 168,698.82, 232,713.99 and 111,281.34

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Solution

The fourth proportional to 168,698.82, 232,713.99 and 111,281.34 is: 153,508.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,698.82 : 232,713.99 = 111,281.34 : x
  2. Step 2: Convert to fraction form
    168,698.82/232,713.99 = 111,281.34/x
  3. Step 3: Cross multiply
    168,698.82x = 232,713.99 × 111,281.34
  4. Step 4: Simplify right side
    168,698.82x = 25,896,724,643.95
  5. Step 5: Solve for x
    x = 25,896,724,643.95/168,698.82
  6. Step 6: Final answer
    x = 153,508.63

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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.