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Finding the Fourth Proportional to 58,459.20, 87,645.60 and 32,193.60

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Solution

The fourth proportional to 58,459.20, 87,645.60 and 32,193.60 is: 48,266.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,459.20 : 87,645.60 = 32,193.60 : x
  2. Step 2: Convert to fraction form
    58,459.20/87,645.60 = 32,193.60/x
  3. Step 3: Cross multiply
    58,459.20x = 87,645.60 × 32,193.60
  4. Step 4: Simplify right side
    58,459.20x = 2,821,627,388.16
  5. Step 5: Solve for x
    x = 2,821,627,388.16/58,459.20
  6. Step 6: Final answer
    x = 48,266.61

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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.