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Finding the Fourth Proportional to 234,400.58, 351,572.94 and 61,280.90

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Solution

The fourth proportional to 234,400.58, 351,572.94 and 61,280.90 is: 91,914.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,400.58 : 351,572.94 = 61,280.90 : x
  2. Step 2: Convert to fraction form
    234,400.58/351,572.94 = 61,280.90/x
  3. Step 3: Cross multiply
    234,400.58x = 351,572.94 × 61,280.90
  4. Step 4: Simplify right side
    234,400.58x = 21,544,706,178.85
  5. Step 5: Solve for x
    x = 21,544,706,178.85/234,400.58
  6. Step 6: Final answer
    x = 91,914.05

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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.