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Finding the Fourth Proportional to 65,388.43, 98,181.03 and 37,340.14

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Solution

The fourth proportional to 65,388.43, 98,181.03 and 37,340.14 is: 56,066.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,388.43 : 98,181.03 = 37,340.14 : x
  2. Step 2: Convert to fraction form
    65,388.43/98,181.03 = 37,340.14/x
  3. Step 3: Cross multiply
    65,388.43x = 98,181.03 × 37,340.14
  4. Step 4: Simplify right side
    65,388.43x = 3,666,093,405.54
  5. Step 5: Solve for x
    x = 3,666,093,405.54/65,388.43
  6. Step 6: Final answer
    x = 56,066.39

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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.