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Finding the Fourth Proportional to 92,255.91, 138,276.33 and 42,341.28

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Solution

The fourth proportional to 92,255.91, 138,276.33 and 42,341.28 is: 63,462.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,255.91 : 138,276.33 = 42,341.28 : x
  2. Step 2: Convert to fraction form
    92,255.91/138,276.33 = 42,341.28/x
  3. Step 3: Cross multiply
    92,255.91x = 138,276.33 × 42,341.28
  4. Step 4: Simplify right side
    92,255.91x = 5,854,796,805.90
  5. Step 5: Solve for x
    x = 5,854,796,805.90/92,255.91
  6. Step 6: Final answer
    x = 63,462.57

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