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Finding the Fourth Proportional to 56,404.74, 77,838.66 and 31,254.24

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Solution

The fourth proportional to 56,404.74, 77,838.66 and 31,254.24 is: 43,130.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,404.74 : 77,838.66 = 31,254.24 : x
  2. Step 2: Convert to fraction form
    56,404.74/77,838.66 = 31,254.24/x
  3. Step 3: Cross multiply
    56,404.74x = 77,838.66 × 31,254.24
  4. Step 4: Simplify right side
    56,404.74x = 2,432,788,160.92
  5. Step 5: Solve for x
    x = 2,432,788,160.92/56,404.74
  6. Step 6: Final answer
    x = 43,130.92

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