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Finding the Fourth Proportional to 93,664.60, 140,448.30 and 34,469.80

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Solution

The fourth proportional to 93,664.60, 140,448.30 and 34,469.80 is: 51,686.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,664.60 : 140,448.30 = 34,469.80 : x
  2. Step 2: Convert to fraction form
    93,664.60/140,448.30 = 34,469.80/x
  3. Step 3: Cross multiply
    93,664.60x = 140,448.30 × 34,469.80
  4. Step 4: Simplify right side
    93,664.60x = 4,841,224,811.34
  5. Step 5: Solve for x
    x = 4,841,224,811.34/93,664.60
  6. Step 6: Final answer
    x = 51,686.81

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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.