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Finding the Fourth Proportional to 106,454.30, 159,681.47 and 43,308.78

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Solution

The fourth proportional to 106,454.30, 159,681.47 and 43,308.78 is: 64,963.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,454.30 : 159,681.47 = 43,308.78 : x
  2. Step 2: Convert to fraction form
    106,454.30/159,681.47 = 43,308.78/x
  3. Step 3: Cross multiply
    106,454.30x = 159,681.47 × 43,308.78
  4. Step 4: Simplify right side
    106,454.30x = 6,915,609,437.76
  5. Step 5: Solve for x
    x = 6,915,609,437.76/106,454.30
  6. Step 6: Final answer
    x = 64,963.18

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