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Finding the Fourth Proportional to 108,771.25, 150,104.73 and 63,480.51

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Solution

The fourth proportional to 108,771.25, 150,104.73 and 63,480.51 is: 87,603.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,771.25 : 150,104.73 = 63,480.51 : x
  2. Step 2: Convert to fraction form
    108,771.25/150,104.73 = 63,480.51/x
  3. Step 3: Cross multiply
    108,771.25x = 150,104.73 × 63,480.51
  4. Step 4: Simplify right side
    108,771.25x = 9,528,724,813.81
  5. Step 5: Solve for x
    x = 9,528,724,813.81/108,771.25
  6. Step 6: Final answer
    x = 87,603.34

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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.