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Finding the Fourth Proportional to 93,871.76, 140,821.36 and 27,303.28

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Solution

The fourth proportional to 93,871.76, 140,821.36 and 27,303.28 is: 40,958.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,871.76 : 140,821.36 = 27,303.28 : x
  2. Step 2: Convert to fraction form
    93,871.76/140,821.36 = 27,303.28/x
  3. Step 3: Cross multiply
    93,871.76x = 140,821.36 × 27,303.28
  4. Step 4: Simplify right side
    93,871.76x = 3,844,885,022.06
  5. Step 5: Solve for x
    x = 3,844,885,022.06/93,871.76
  6. Step 6: Final answer
    x = 40,958.91

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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.