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Finding the Fourth Proportional to 133,476.42, 200,270.43 and 58,557.90

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Solution

The fourth proportional to 133,476.42, 200,270.43 and 58,557.90 is: 87,861.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,476.42 : 200,270.43 = 58,557.90 : x
  2. Step 2: Convert to fraction form
    133,476.42/200,270.43 = 58,557.90/x
  3. Step 3: Cross multiply
    133,476.42x = 200,270.43 × 58,557.90
  4. Step 4: Simplify right side
    133,476.42x = 11,727,415,812.90
  5. Step 5: Solve for x
    x = 11,727,415,812.90/133,476.42
  6. Step 6: Final answer
    x = 87,861.33

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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.