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Finding the Fourth Proportional to 70,340.94, 105,510.94 and 17,750.47

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Solution

The fourth proportional to 70,340.94, 105,510.94 and 17,750.47 is: 26,625.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,340.94 : 105,510.94 = 17,750.47 : x
  2. Step 2: Convert to fraction form
    70,340.94/105,510.94 = 17,750.47/x
  3. Step 3: Cross multiply
    70,340.94x = 105,510.94 × 17,750.47
  4. Step 4: Simplify right side
    70,340.94x = 1,872,868,775.14
  5. Step 5: Solve for x
    x = 1,872,868,775.14/70,340.94
  6. Step 6: Final answer
    x = 26,625.59

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