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Finding the Fourth Proportional to 156,884.58, 216,502.14 and 85,264.77

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Solution

The fourth proportional to 156,884.58, 216,502.14 and 85,264.77 is: 117,666.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,884.58 : 216,502.14 = 85,264.77 : x
  2. Step 2: Convert to fraction form
    156,884.58/216,502.14 = 85,264.77/x
  3. Step 3: Cross multiply
    156,884.58x = 216,502.14 × 85,264.77
  4. Step 4: Simplify right side
    156,884.58x = 18,460,005,171.61
  5. Step 5: Solve for x
    x = 18,460,005,171.61/156,884.58
  6. Step 6: Final answer
    x = 117,666.15

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