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Finding the Fourth Proportional to 70,676.60, 105,871.77 and 32,671.88

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Solution

The fourth proportional to 70,676.60, 105,871.77 and 32,671.88 is: 48,941.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,676.60 : 105,871.77 = 32,671.88 : x
  2. Step 2: Convert to fraction form
    70,676.60/105,871.77 = 32,671.88/x
  3. Step 3: Cross multiply
    70,676.60x = 105,871.77 × 32,671.88
  4. Step 4: Simplify right side
    70,676.60x = 3,459,029,764.83
  5. Step 5: Solve for x
    x = 3,459,029,764.83/70,676.60
  6. Step 6: Final answer
    x = 48,941.65

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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.