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Finding the Fourth Proportional to 118,960.55, 178,449.02 and 34,721.41

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Solution

The fourth proportional to 118,960.55, 178,449.02 and 34,721.41 is: 52,084.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,960.55 : 178,449.02 = 34,721.41 : x
  2. Step 2: Convert to fraction form
    118,960.55/178,449.02 = 34,721.41/x
  3. Step 3: Cross multiply
    118,960.55x = 178,449.02 × 34,721.41
  4. Step 4: Simplify right side
    118,960.55x = 6,196,000,521.67
  5. Step 5: Solve for x
    x = 6,196,000,521.67/118,960.55
  6. Step 6: Final answer
    x = 52,084.50

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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.