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Finding the Fourth Proportional to 178,851.65, 246,761.45 and 107,205.53

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Solution

The fourth proportional to 178,851.65, 246,761.45 and 107,205.53 is: 147,911.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,851.65 : 246,761.45 = 107,205.53 : x
  2. Step 2: Convert to fraction form
    178,851.65/246,761.45 = 107,205.53/x
  3. Step 3: Cross multiply
    178,851.65x = 246,761.45 × 107,205.53
  4. Step 4: Simplify right side
    178,851.65x = 26,454,192,030.82
  5. Step 5: Solve for x
    x = 26,454,192,030.82/178,851.65
  6. Step 6: Final answer
    x = 147,911.37

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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.