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Finding the Fourth Proportional to 46,917.72, 70,012.80 and 42,726.78

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Solution

The fourth proportional to 46,917.72, 70,012.80 and 42,726.78 is: 63,758.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,917.72 : 70,012.80 = 42,726.78 : x
  2. Step 2: Convert to fraction form
    46,917.72/70,012.80 = 42,726.78/x
  3. Step 3: Cross multiply
    46,917.72x = 70,012.80 × 42,726.78
  4. Step 4: Simplify right side
    46,917.72x = 2,991,421,502.78
  5. Step 5: Solve for x
    x = 2,991,421,502.78/46,917.72
  6. Step 6: Final answer
    x = 63,758.88

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