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Finding the Fourth Proportional to 133,612.60, 200,390.10 and 58,732.60

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Solution

The fourth proportional to 133,612.60, 200,390.10 and 58,732.60 is: 88,086.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,612.60 : 200,390.10 = 58,732.60 : x
  2. Step 2: Convert to fraction form
    133,612.60/200,390.10 = 58,732.60/x
  3. Step 3: Cross multiply
    133,612.60x = 200,390.10 × 58,732.60
  4. Step 4: Simplify right side
    133,612.60x = 11,769,431,587.26
  5. Step 5: Solve for x
    x = 11,769,431,587.26/133,612.60
  6. Step 6: Final answer
    x = 88,086.24

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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.