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Finding the Fourth Proportional to 157,888.08, 217,883.04 and 86,266.56

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Solution

The fourth proportional to 157,888.08, 217,883.04 and 86,266.56 is: 119,046.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,888.08 : 217,883.04 = 86,266.56 : x
  2. Step 2: Convert to fraction form
    157,888.08/217,883.04 = 86,266.56/x
  3. Step 3: Cross multiply
    157,888.08x = 217,883.04 × 86,266.56
  4. Step 4: Simplify right side
    157,888.08x = 18,796,020,343.14
  5. Step 5: Solve for x
    x = 18,796,020,343.14/157,888.08
  6. Step 6: Final answer
    x = 119,046.48

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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.