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Finding the Fourth Proportional to 108,361.04, 149,478.04 and 63,033.92

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Solution

The fourth proportional to 108,361.04, 149,478.04 and 63,033.92 is: 86,951.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,361.04 : 149,478.04 = 63,033.92 : x
  2. Step 2: Convert to fraction form
    108,361.04/149,478.04 = 63,033.92/x
  3. Step 3: Cross multiply
    108,361.04x = 149,478.04 × 63,033.92
  4. Step 4: Simplify right side
    108,361.04x = 9,422,186,815.12
  5. Step 5: Solve for x
    x = 9,422,186,815.12/108,361.04
  6. Step 6: Final answer
    x = 86,951.79

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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.