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Finding the Fourth Proportional to 77,397.93, 116,124.56 and 47,064.78

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Solution

The fourth proportional to 77,397.93, 116,124.56 and 47,064.78 is: 70,613.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,397.93 : 116,124.56 = 47,064.78 : x
  2. Step 2: Convert to fraction form
    77,397.93/116,124.56 = 47,064.78/x
  3. Step 3: Cross multiply
    77,397.93x = 116,124.56 × 47,064.78
  4. Step 4: Simplify right side
    77,397.93x = 5,465,376,633.67
  5. Step 5: Solve for x
    x = 5,465,376,633.67/77,397.93
  6. Step 6: Final answer
    x = 70,613.99

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