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Finding the Fourth Proportional to 92,121.59, 138,068.16 and 65,425.01

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Solution

The fourth proportional to 92,121.59, 138,068.16 and 65,425.01 is: 98,056.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,121.59 : 138,068.16 = 65,425.01 : x
  2. Step 2: Convert to fraction form
    92,121.59/138,068.16 = 65,425.01/x
  3. Step 3: Cross multiply
    92,121.59x = 138,068.16 × 65,425.01
  4. Step 4: Simplify right side
    92,121.59x = 9,033,110,058.34
  5. Step 5: Solve for x
    x = 9,033,110,058.34/92,121.59
  6. Step 6: Final answer
    x = 98,056.39

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