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Finding the Fourth Proportional to 75,142.24, 103,697.76 and 43,305.76

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Solution

The fourth proportional to 75,142.24, 103,697.76 and 43,305.76 is: 59,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,142.24 : 103,697.76 = 43,305.76 : x
  2. Step 2: Convert to fraction form
    75,142.24/103,697.76 = 43,305.76/x
  3. Step 3: Cross multiply
    75,142.24x = 103,697.76 × 43,305.76
  4. Step 4: Simplify right side
    75,142.24x = 4,490,710,307.10
  5. Step 5: Solve for x
    x = 4,490,710,307.10/75,142.24
  6. Step 6: Final answer
    x = 59,762.80

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