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Finding the Fourth Proportional to 162,945.66, 244,441.98 and 61,780.98

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Solution

The fourth proportional to 162,945.66, 244,441.98 and 61,780.98 is: 92,680.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,945.66 : 244,441.98 = 61,780.98 : x
  2. Step 2: Convert to fraction form
    162,945.66/244,441.98 = 61,780.98/x
  3. Step 3: Cross multiply
    162,945.66x = 244,441.98 × 61,780.98
  4. Step 4: Simplify right side
    162,945.66x = 15,101,865,077.54
  5. Step 5: Solve for x
    x = 15,101,865,077.54/162,945.66
  6. Step 6: Final answer
    x = 92,680.38

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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.