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Finding the Fourth Proportional to 133,487.89, 200,210.77 and 62,459.80

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Solution

The fourth proportional to 133,487.89, 200,210.77 and 62,459.80 is: 93,679.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,487.89 : 200,210.77 = 62,459.80 : x
  2. Step 2: Convert to fraction form
    133,487.89/200,210.77 = 62,459.80/x
  3. Step 3: Cross multiply
    133,487.89x = 200,210.77 × 62,459.80
  4. Step 4: Simplify right side
    133,487.89x = 12,505,123,338.69
  5. Step 5: Solve for x
    x = 12,505,123,338.69/133,487.89
  6. Step 6: Final answer
    x = 93,679.84

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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.