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Finding the Fourth Proportional to 206,927.97, 310,326.34 and 88,567.53

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Solution

The fourth proportional to 206,927.97, 310,326.34 and 88,567.53 is: 132,823.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,927.97 : 310,326.34 = 88,567.53 : x
  2. Step 2: Convert to fraction form
    206,927.97/310,326.34 = 88,567.53/x
  3. Step 3: Cross multiply
    206,927.97x = 310,326.34 × 88,567.53
  4. Step 4: Simplify right side
    206,927.97x = 27,484,836,208.66
  5. Step 5: Solve for x
    x = 27,484,836,208.66/206,927.97
  6. Step 6: Final answer
    x = 132,823.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.