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Finding the Fourth Proportional to 93,340.66, 139,954.68 and 37,189.45

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Solution

The fourth proportional to 93,340.66, 139,954.68 and 37,189.45 is: 55,761.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,340.66 : 139,954.68 = 37,189.45 : x
  2. Step 2: Convert to fraction form
    93,340.66/139,954.68 = 37,189.45/x
  3. Step 3: Cross multiply
    93,340.66x = 139,954.68 × 37,189.45
  4. Step 4: Simplify right side
    93,340.66x = 5,204,837,574.13
  5. Step 5: Solve for x
    x = 5,204,837,574.13/93,340.66
  6. Step 6: Final answer
    x = 55,761.74

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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.