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Finding the Fourth Proportional to 100,707.40, 151,061.10 and 67,529.80

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Solution

The fourth proportional to 100,707.40, 151,061.10 and 67,529.80 is: 101,294.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,707.40 : 151,061.10 = 67,529.80 : x
  2. Step 2: Convert to fraction form
    100,707.40/151,061.10 = 67,529.80/x
  3. Step 3: Cross multiply
    100,707.40x = 151,061.10 × 67,529.80
  4. Step 4: Simplify right side
    100,707.40x = 10,201,125,870.78
  5. Step 5: Solve for x
    x = 10,201,125,870.78/100,707.40
  6. Step 6: Final answer
    x = 101,294.70

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