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Finding the Fourth Proportional to 131,594, 197,369.12 and 47,337.12

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Solution

The fourth proportional to 131,594, 197,369.12 and 47,337.12 is: 70,997.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,594 : 197,369.12 = 47,337.12 : x
  2. Step 2: Convert to fraction form
    131,594/197,369.12 = 47,337.12/x
  3. Step 3: Cross multiply
    131,594x = 197,369.12 × 47,337.12
  4. Step 4: Simplify right side
    131,594x = 9,342,885,717.73
  5. Step 5: Solve for x
    x = 9,342,885,717.73/131,594
  6. Step 6: Final answer
    x = 70,997.81

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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.