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Finding the Fourth Proportional to 131,123, 196,685.04 and 48,017

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Solution

The fourth proportional to 131,123, 196,685.04 and 48,017 is: 72,025.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,123 : 196,685.04 = 48,017 : x
  2. Step 2: Convert to fraction form
    131,123/196,685.04 = 48,017/x
  3. Step 3: Cross multiply
    131,123x = 196,685.04 × 48,017
  4. Step 4: Simplify right side
    131,123x = 9,444,225,565.68
  5. Step 5: Solve for x
    x = 9,444,225,565.68/131,123
  6. Step 6: Final answer
    x = 72,025.70

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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.