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Finding the Fourth Proportional to 161,951.10, 242,811.45 and 62,072.70

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Solution

The fourth proportional to 161,951.10, 242,811.45 and 62,072.70 is: 93,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,951.10 : 242,811.45 = 62,072.70 : x
  2. Step 2: Convert to fraction form
    161,951.10/242,811.45 = 62,072.70/x
  3. Step 3: Cross multiply
    161,951.10x = 242,811.45 × 62,072.70
  4. Step 4: Simplify right side
    161,951.10x = 15,071,962,292.42
  5. Step 5: Solve for x
    x = 15,071,962,292.42/161,951.10
  6. Step 6: Final answer
    x = 93,064.90

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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.