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Finding the Fourth Proportional to 59,770.92, 89,671.50 and 42,923.28

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Solution

The fourth proportional to 59,770.92, 89,671.50 and 42,923.28 is: 64,395.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,770.92 : 89,671.50 = 42,923.28 : x
  2. Step 2: Convert to fraction form
    59,770.92/89,671.50 = 42,923.28/x
  3. Step 3: Cross multiply
    59,770.92x = 89,671.50 × 42,923.28
  4. Step 4: Simplify right side
    59,770.92x = 3,848,994,902.52
  5. Step 5: Solve for x
    x = 3,848,994,902.52/59,770.92
  6. Step 6: Final answer
    x = 64,395.78

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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.