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Finding the Fourth Proportional to 118,653.30, 177,882.39 and 55,442.16

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Solution

The fourth proportional to 118,653.30, 177,882.39 and 55,442.16 is: 83,117.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,653.30 : 177,882.39 = 55,442.16 : x
  2. Step 2: Convert to fraction form
    118,653.30/177,882.39 = 55,442.16/x
  3. Step 3: Cross multiply
    118,653.30x = 177,882.39 × 55,442.16
  4. Step 4: Simplify right side
    118,653.30x = 9,862,183,927.56
  5. Step 5: Solve for x
    x = 9,862,183,927.56/118,653.30
  6. Step 6: Final answer
    x = 83,117.65

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