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Finding the Fourth Proportional to 93,911.61, 140,883.81 and 41,319.72

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Solution

The fourth proportional to 93,911.61, 140,883.81 and 41,319.72 is: 61,986.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,911.61 : 140,883.81 = 41,319.72 : x
  2. Step 2: Convert to fraction form
    93,911.61/140,883.81 = 41,319.72/x
  3. Step 3: Cross multiply
    93,911.61x = 140,883.81 × 41,319.72
  4. Step 4: Simplify right side
    93,911.61x = 5,821,279,581.73
  5. Step 5: Solve for x
    x = 5,821,279,581.73/93,911.61
  6. Step 6: Final answer
    x = 61,986.79

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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.