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Finding the Fourth Proportional to 93,329.44, 139,914.72 and 40,699.68

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Solution

The fourth proportional to 93,329.44, 139,914.72 and 40,699.68 is: 61,014.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,329.44 : 139,914.72 = 40,699.68 : x
  2. Step 2: Convert to fraction form
    93,329.44/139,914.72 = 40,699.68/x
  3. Step 3: Cross multiply
    93,329.44x = 139,914.72 × 40,699.68
  4. Step 4: Simplify right side
    93,329.44x = 5,694,484,331.29
  5. Step 5: Solve for x
    x = 5,694,484,331.29/93,329.44
  6. Step 6: Final answer
    x = 61,014.88

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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.