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Finding the Fourth Proportional to 93,443, 140,208.24 and 40,867.52

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Solution

The fourth proportional to 93,443, 140,208.24 and 40,867.52 is: 61,320.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,443 : 140,208.24 = 40,867.52 : x
  2. Step 2: Convert to fraction form
    93,443/140,208.24 = 40,867.52/x
  3. Step 3: Cross multiply
    93,443x = 140,208.24 × 40,867.52
  4. Step 4: Simplify right side
    93,443x = 5,729,963,052.36
  5. Step 5: Solve for x
    x = 5,729,963,052.36/93,443
  6. Step 6: Final answer
    x = 61,320.41

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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.