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Finding the Fourth Proportional to 76,958.64, 106,212.06 and 46,748.88

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Solution

The fourth proportional to 76,958.64, 106,212.06 and 46,748.88 is: 64,519.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,958.64 : 106,212.06 = 46,748.88 : x
  2. Step 2: Convert to fraction form
    76,958.64/106,212.06 = 46,748.88/x
  3. Step 3: Cross multiply
    76,958.64x = 106,212.06 × 46,748.88
  4. Step 4: Simplify right side
    76,958.64x = 4,965,294,847.49
  5. Step 5: Solve for x
    x = 4,965,294,847.49/76,958.64
  6. Step 6: Final answer
    x = 64,519.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.