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Finding the Fourth Proportional to 118,568.84, 177,853.55 and 48,448.15

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Solution

The fourth proportional to 118,568.84, 177,853.55 and 48,448.15 is: 72,672.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,568.84 : 177,853.55 = 48,448.15 : x
  2. Step 2: Convert to fraction form
    118,568.84/177,853.55 = 48,448.15/x
  3. Step 3: Cross multiply
    118,568.84x = 177,853.55 × 48,448.15
  4. Step 4: Simplify right side
    118,568.84x = 8,616,675,144.92
  5. Step 5: Solve for x
    x = 8,616,675,144.92/118,568.84
  6. Step 6: Final answer
    x = 72,672.34

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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.