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Finding the Fourth Proportional to 73,543.68, 101,490.72 and 40,009.92

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Solution

The fourth proportional to 73,543.68, 101,490.72 and 40,009.92 is: 55,213.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,543.68 : 101,490.72 = 40,009.92 : x
  2. Step 2: Convert to fraction form
    73,543.68/101,490.72 = 40,009.92/x
  3. Step 3: Cross multiply
    73,543.68x = 101,490.72 × 40,009.92
  4. Step 4: Simplify right side
    73,543.68x = 4,060,635,587.94
  5. Step 5: Solve for x
    x = 4,060,635,587.94/73,543.68
  6. Step 6: Final answer
    x = 55,213.93

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