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Finding the Fourth Proportional to 108,336.60, 162,371.79 and 60,851.87

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Solution

The fourth proportional to 108,336.60, 162,371.79 and 60,851.87 is: 91,203.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,336.60 : 162,371.79 = 60,851.87 : x
  2. Step 2: Convert to fraction form
    108,336.60/162,371.79 = 60,851.87/x
  3. Step 3: Cross multiply
    108,336.60x = 162,371.79 × 60,851.87
  4. Step 4: Simplify right side
    108,336.60x = 9,880,626,473.08
  5. Step 5: Solve for x
    x = 9,880,626,473.08/108,336.60
  6. Step 6: Final answer
    x = 91,203.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.