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Finding the Fourth Proportional to 133,059.61, 199,651.68 and 58,170.05

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Solution

The fourth proportional to 133,059.61, 199,651.68 and 58,170.05 is: 87,282.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,059.61 : 199,651.68 = 58,170.05 : x
  2. Step 2: Convert to fraction form
    133,059.61/199,651.68 = 58,170.05/x
  3. Step 3: Cross multiply
    133,059.61x = 199,651.68 × 58,170.05
  4. Step 4: Simplify right side
    133,059.61x = 11,613,748,208.18
  5. Step 5: Solve for x
    x = 11,613,748,208.18/133,059.61
  6. Step 6: Final answer
    x = 87,282.30

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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.