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Finding the Fourth Proportional to 245,720.67, 368,580.70 and 77,255.71

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Solution

The fourth proportional to 245,720.67, 368,580.70 and 77,255.71 is: 115,883.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,720.67 : 368,580.70 = 77,255.71 : x
  2. Step 2: Convert to fraction form
    245,720.67/368,580.70 = 77,255.71/x
  3. Step 3: Cross multiply
    245,720.67x = 368,580.70 × 77,255.71
  4. Step 4: Simplify right side
    245,720.67x = 28,474,963,063.20
  5. Step 5: Solve for x
    x = 28,474,963,063.20/245,720.67
  6. Step 6: Final answer
    x = 115,883.47

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