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Finding the Fourth Proportional to 177,239.64, 244,641.30 and 100,799.94

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Solution

The fourth proportional to 177,239.64, 244,641.30 and 100,799.94 is: 139,132.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,239.64 : 244,641.30 = 100,799.94 : x
  2. Step 2: Convert to fraction form
    177,239.64/244,641.30 = 100,799.94/x
  3. Step 3: Cross multiply
    177,239.64x = 244,641.30 × 100,799.94
  4. Step 4: Simplify right side
    177,239.64x = 24,659,828,361.52
  5. Step 5: Solve for x
    x = 24,659,828,361.52/177,239.64
  6. Step 6: Final answer
    x = 139,132.69

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Why These Related Problems?

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