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Finding the Fourth Proportional to 85,630.46, 118,168.17 and 46,868.11

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Solution

The fourth proportional to 85,630.46, 118,168.17 and 46,868.11 is: 64,676.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,630.46 : 118,168.17 = 46,868.11 : x
  2. Step 2: Convert to fraction form
    85,630.46/118,168.17 = 46,868.11/x
  3. Step 3: Cross multiply
    85,630.46x = 118,168.17 × 46,868.11
  4. Step 4: Simplify right side
    85,630.46x = 5,538,318,790.06
  5. Step 5: Solve for x
    x = 5,538,318,790.06/85,630.46
  6. Step 6: Final answer
    x = 64,676.97

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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.