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Finding the Fourth Proportional to 63,401.40, 95,066.54 and 43,433.46

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Solution

The fourth proportional to 63,401.40, 95,066.54 and 43,433.46 is: 65,125.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,401.40 : 95,066.54 = 43,433.46 : x
  2. Step 2: Convert to fraction form
    63,401.40/95,066.54 = 43,433.46/x
  3. Step 3: Cross multiply
    63,401.40x = 95,066.54 × 43,433.46
  4. Step 4: Simplify right side
    63,401.40x = 4,129,068,762.43
  5. Step 5: Solve for x
    x = 4,129,068,762.43/63,401.40
  6. Step 6: Final answer
    x = 65,125.83

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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.