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Finding the Fourth Proportional to 161,770.80, 242,656.81 and 49,450.58

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Solution

The fourth proportional to 161,770.80, 242,656.81 and 49,450.58 is: 74,176.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,770.80 : 242,656.81 = 49,450.58 : x
  2. Step 2: Convert to fraction form
    161,770.80/242,656.81 = 49,450.58/x
  3. Step 3: Cross multiply
    161,770.80x = 242,656.81 × 49,450.58
  4. Step 4: Simplify right side
    161,770.80x = 11,999,521,211.61
  5. Step 5: Solve for x
    x = 11,999,521,211.61/161,770.80
  6. Step 6: Final answer
    x = 74,176.06

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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.