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Finding the Fourth Proportional to 113,417.72, 156,451.20 and 70,902.44

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Solution

The fourth proportional to 113,417.72, 156,451.20 and 70,902.44 is: 97,804.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,417.72 : 156,451.20 = 70,902.44 : x
  2. Step 2: Convert to fraction form
    113,417.72/156,451.20 = 70,902.44/x
  3. Step 3: Cross multiply
    113,417.72x = 156,451.20 × 70,902.44
  4. Step 4: Simplify right side
    113,417.72x = 11,092,771,820.93
  5. Step 5: Solve for x
    x = 11,092,771,820.93/113,417.72
  6. Step 6: Final answer
    x = 97,804.57

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