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Finding the Fourth Proportional to 71,042.76, 98,038.32 and 39,210.96

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Solution

The fourth proportional to 71,042.76, 98,038.32 and 39,210.96 is: 54,110.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,042.76 : 98,038.32 = 39,210.96 : x
  2. Step 2: Convert to fraction form
    71,042.76/98,038.32 = 39,210.96/x
  3. Step 3: Cross multiply
    71,042.76x = 98,038.32 × 39,210.96
  4. Step 4: Simplify right side
    71,042.76x = 3,844,176,643.99
  5. Step 5: Solve for x
    x = 3,844,176,643.99/71,042.76
  6. Step 6: Final answer
    x = 54,110.74

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