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Finding the Fourth Proportional to 73,541.76, 101,485.92 and 40,007.04

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Solution

The fourth proportional to 73,541.76, 101,485.92 and 40,007.04 is: 55,208.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,541.76 : 101,485.92 = 40,007.04 : x
  2. Step 2: Convert to fraction form
    73,541.76/101,485.92 = 40,007.04/x
  3. Step 3: Cross multiply
    73,541.76x = 101,485.92 × 40,007.04
  4. Step 4: Simplify right side
    73,541.76x = 4,060,151,260.88
  5. Step 5: Solve for x
    x = 4,060,151,260.88/73,541.76
  6. Step 6: Final answer
    x = 55,208.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.