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Finding the Fourth Proportional to 206,579.58, 285,085.48 and 115,941.16

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Solution

The fourth proportional to 206,579.58, 285,085.48 and 115,941.16 is: 160,001.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,579.58 : 285,085.48 = 115,941.16 : x
  2. Step 2: Convert to fraction form
    206,579.58/285,085.48 = 115,941.16/x
  3. Step 3: Cross multiply
    206,579.58x = 285,085.48 × 115,941.16
  4. Step 4: Simplify right side
    206,579.58x = 33,053,141,250.36
  5. Step 5: Solve for x
    x = 33,053,141,250.36/206,579.58
  6. Step 6: Final answer
    x = 160,001.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.