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Finding the Fourth Proportional to 70,094.62, 105,141.91 and 38,704.27

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Solution

The fourth proportional to 70,094.62, 105,141.91 and 38,704.27 is: 58,056.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,094.62 : 105,141.91 = 38,704.27 : x
  2. Step 2: Convert to fraction form
    70,094.62/105,141.91 = 38,704.27/x
  3. Step 3: Cross multiply
    70,094.62x = 105,141.91 × 38,704.27
  4. Step 4: Simplify right side
    70,094.62x = 4,069,440,872.96
  5. Step 5: Solve for x
    x = 4,069,440,872.96/70,094.62
  6. Step 6: Final answer
    x = 58,056.39

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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.