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Finding the Fourth Proportional to 93,188.60, 139,782.90 and 23,067.91

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Solution

The fourth proportional to 93,188.60, 139,782.90 and 23,067.91 is: 34,601.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,188.60 : 139,782.90 = 23,067.91 : x
  2. Step 2: Convert to fraction form
    93,188.60/139,782.90 = 23,067.91/x
  3. Step 3: Cross multiply
    93,188.60x = 139,782.90 × 23,067.91
  4. Step 4: Simplify right side
    93,188.60x = 3,224,499,978.67
  5. Step 5: Solve for x
    x = 3,224,499,978.67/93,188.60
  6. Step 6: Final answer
    x = 34,601.87

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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.