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Finding the Fourth Proportional to 108,360.54, 149,477.36 and 63,033.42

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Solution

The fourth proportional to 108,360.54, 149,477.36 and 63,033.42 is: 86,951.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,360.54 : 149,477.36 = 63,033.42 : x
  2. Step 2: Convert to fraction form
    108,360.54/149,477.36 = 63,033.42/x
  3. Step 3: Cross multiply
    108,360.54x = 149,477.36 × 63,033.42
  4. Step 4: Simplify right side
    108,360.54x = 9,422,069,213.37
  5. Step 5: Solve for x
    x = 9,422,069,213.37/108,360.54
  6. Step 6: Final answer
    x = 86,951.11

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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.