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Finding the Fourth Proportional to 93,675.72, 140,513.82 and 38,271.72

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Solution

The fourth proportional to 93,675.72, 140,513.82 and 38,271.72 is: 57,407.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,675.72 : 140,513.82 = 38,271.72 : x
  2. Step 2: Convert to fraction form
    93,675.72/140,513.82 = 38,271.72/x
  3. Step 3: Cross multiply
    93,675.72x = 140,513.82 × 38,271.72
  4. Step 4: Simplify right side
    93,675.72x = 5,377,705,575.17
  5. Step 5: Solve for x
    x = 5,377,705,575.17/93,675.72
  6. Step 6: Final answer
    x = 57,407.68

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