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Finding the Fourth Proportional to 78,146.17, 107,841.58 and 42,337.08

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Solution

The fourth proportional to 78,146.17, 107,841.58 and 42,337.08 is: 58,425.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,146.17 : 107,841.58 = 42,337.08 : x
  2. Step 2: Convert to fraction form
    78,146.17/107,841.58 = 42,337.08/x
  3. Step 3: Cross multiply
    78,146.17x = 107,841.58 × 42,337.08
  4. Step 4: Simplify right side
    78,146.17x = 4,565,697,493.94
  5. Step 5: Solve for x
    x = 4,565,697,493.94/78,146.17
  6. Step 6: Final answer
    x = 58,425.10

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