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Finding the Fourth Proportional to 177,919.61, 266,879.88 and 65,551.14

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Solution

The fourth proportional to 177,919.61, 266,879.88 and 65,551.14 is: 98,326.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,919.61 : 266,879.88 = 65,551.14 : x
  2. Step 2: Convert to fraction form
    177,919.61/266,879.88 = 65,551.14/x
  3. Step 3: Cross multiply
    177,919.61x = 266,879.88 × 65,551.14
  4. Step 4: Simplify right side
    177,919.61x = 17,494,280,377.06
  5. Step 5: Solve for x
    x = 17,494,280,377.06/177,919.61
  6. Step 6: Final answer
    x = 98,326.88

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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.