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Finding the Fourth Proportional to 135,483.30, 203,294.70 and 64,486.44

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Solution

The fourth proportional to 135,483.30, 203,294.70 and 64,486.44 is: 96,762.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,483.30 : 203,294.70 = 64,486.44 : x
  2. Step 2: Convert to fraction form
    135,483.30/203,294.70 = 64,486.44/x
  3. Step 3: Cross multiply
    135,483.30x = 203,294.70 × 64,486.44
  4. Step 4: Simplify right side
    135,483.30x = 13,109,751,473.87
  5. Step 5: Solve for x
    x = 13,109,751,473.87/135,483.30
  6. Step 6: Final answer
    x = 96,762.86

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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.