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Finding the Fourth Proportional to 64,757.86, 97,097.91 and 43,918.18

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Solution

The fourth proportional to 64,757.86, 97,097.91 and 43,918.18 is: 65,850.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,757.86 : 97,097.91 = 43,918.18 : x
  2. Step 2: Convert to fraction form
    64,757.86/97,097.91 = 43,918.18/x
  3. Step 3: Cross multiply
    64,757.86x = 97,097.91 × 43,918.18
  4. Step 4: Simplify right side
    64,757.86x = 4,264,363,489.00
  5. Step 5: Solve for x
    x = 4,264,363,489.00/64,757.86
  6. Step 6: Final answer
    x = 65,850.90

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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.