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Finding the Fourth Proportional to 70,956.95, 106,482.20 and 37,701.18

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Solution

The fourth proportional to 70,956.95, 106,482.20 and 37,701.18 is: 56,576.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,956.95 : 106,482.20 = 37,701.18 : x
  2. Step 2: Convert to fraction form
    70,956.95/106,482.20 = 37,701.18/x
  3. Step 3: Cross multiply
    70,956.95x = 106,482.20 × 37,701.18
  4. Step 4: Simplify right side
    70,956.95x = 4,014,504,400.49
  5. Step 5: Solve for x
    x = 4,014,504,400.49/70,956.95
  6. Step 6: Final answer
    x = 56,576.62

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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.