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Finding the Fourth Proportional to 101,783.66, 152,630.94 and 41,770.98

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Solution

The fourth proportional to 101,783.66, 152,630.94 and 41,770.98 is: 62,638.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,783.66 : 152,630.94 = 41,770.98 : x
  2. Step 2: Convert to fraction form
    101,783.66/152,630.94 = 41,770.98/x
  3. Step 3: Cross multiply
    101,783.66x = 152,630.94 × 41,770.98
  4. Step 4: Simplify right side
    101,783.66x = 6,375,543,942.12
  5. Step 5: Solve for x
    x = 6,375,543,942.12/101,783.66
  6. Step 6: Final answer
    x = 62,638.19

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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.