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Finding the Fourth Proportional to 135,480.48, 203,290.11 and 64,483.44

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Solution

The fourth proportional to 135,480.48, 203,290.11 and 64,483.44 is: 96,758.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,480.48 : 203,290.11 = 64,483.44 : x
  2. Step 2: Convert to fraction form
    135,480.48/203,290.11 = 64,483.44/x
  3. Step 3: Cross multiply
    135,480.48x = 203,290.11 × 64,483.44
  4. Step 4: Simplify right side
    135,480.48x = 13,108,845,610.78
  5. Step 5: Solve for x
    x = 13,108,845,610.78/135,480.48
  6. Step 6: Final answer
    x = 96,758.19

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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.