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Finding the Fourth Proportional to 93,309.30, 139,750.92 and 73,273.14

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Solution

The fourth proportional to 93,309.30, 139,750.92 and 73,273.14 is: 109,742.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,309.30 : 139,750.92 = 73,273.14 : x
  2. Step 2: Convert to fraction form
    93,309.30/139,750.92 = 73,273.14/x
  3. Step 3: Cross multiply
    93,309.30x = 139,750.92 × 73,273.14
  4. Step 4: Simplify right side
    93,309.30x = 10,239,988,726.29
  5. Step 5: Solve for x
    x = 10,239,988,726.29/93,309.30
  6. Step 6: Final answer
    x = 109,742.42

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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.