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Finding the Fourth Proportional to 126,751.84, 190,121.99 and 42,505.52

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Solution

The fourth proportional to 126,751.84, 190,121.99 and 42,505.52 is: 63,756.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,751.84 : 190,121.99 = 42,505.52 : x
  2. Step 2: Convert to fraction form
    126,751.84/190,121.99 = 42,505.52/x
  3. Step 3: Cross multiply
    126,751.84x = 190,121.99 × 42,505.52
  4. Step 4: Simplify right side
    126,751.84x = 8,081,234,048.38
  5. Step 5: Solve for x
    x = 8,081,234,048.38/126,751.84
  6. Step 6: Final answer
    x = 63,756.35

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