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Finding the Fourth Proportional to 93,665.60, 140,449.80 and 34,470.80

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Solution

The fourth proportional to 93,665.60, 140,449.80 and 34,470.80 is: 51,688.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,665.60 : 140,449.80 = 34,470.80 : x
  2. Step 2: Convert to fraction form
    93,665.60/140,449.80 = 34,470.80/x
  3. Step 3: Cross multiply
    93,665.60x = 140,449.80 × 34,470.80
  4. Step 4: Simplify right side
    93,665.60x = 4,841,416,965.84
  5. Step 5: Solve for x
    x = 4,841,416,965.84/93,665.60
  6. Step 6: Final answer
    x = 51,688.31

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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.