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Finding the Fourth Proportional to 113,695.81, 156,914.76 and 94,542.64

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Solution

The fourth proportional to 113,695.81, 156,914.76 and 94,542.64 is: 130,480.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,695.81 : 156,914.76 = 94,542.64 : x
  2. Step 2: Convert to fraction form
    113,695.81/156,914.76 = 94,542.64/x
  3. Step 3: Cross multiply
    113,695.81x = 156,914.76 × 94,542.64
  4. Step 4: Simplify right side
    113,695.81x = 14,835,135,665.37
  5. Step 5: Solve for x
    x = 14,835,135,665.37/113,695.81
  6. Step 6: Final answer
    x = 130,480.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.