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Finding the Fourth Proportional to 63,958.74, 95,970.51 and 43,138.50

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Solution

The fourth proportional to 63,958.74, 95,970.51 and 43,138.50 is: 64,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,958.74 : 95,970.51 = 43,138.50 : x
  2. Step 2: Convert to fraction form
    63,958.74/95,970.51 = 43,138.50/x
  3. Step 3: Cross multiply
    63,958.74x = 95,970.51 × 43,138.50
  4. Step 4: Simplify right side
    63,958.74x = 4,140,023,845.64
  5. Step 5: Solve for x
    x = 4,140,023,845.64/63,958.74
  6. Step 6: Final answer
    x = 64,729.60

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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.