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Finding the Fourth Proportional to 70,254.85, 105,361.03 and 36,956.56

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Solution

The fourth proportional to 70,254.85, 105,361.03 and 36,956.56 is: 55,423.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,254.85 : 105,361.03 = 36,956.56 : x
  2. Step 2: Convert to fraction form
    70,254.85/105,361.03 = 36,956.56/x
  3. Step 3: Cross multiply
    70,254.85x = 105,361.03 × 36,956.56
  4. Step 4: Simplify right side
    70,254.85x = 3,893,781,226.86
  5. Step 5: Solve for x
    x = 3,893,781,226.86/70,254.85
  6. Step 6: Final answer
    x = 55,423.66

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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.