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Finding the Fourth Proportional to 125,096.40, 187,656.90 and 36,350.67

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Solution

The fourth proportional to 125,096.40, 187,656.90 and 36,350.67 is: 54,529.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,096.40 : 187,656.90 = 36,350.67 : x
  2. Step 2: Convert to fraction form
    125,096.40/187,656.90 = 36,350.67/x
  3. Step 3: Cross multiply
    125,096.40x = 187,656.90 × 36,350.67
  4. Step 4: Simplify right side
    125,096.40x = 6,821,454,816.99
  5. Step 5: Solve for x
    x = 6,821,454,816.99/125,096.40
  6. Step 6: Final answer
    x = 54,529.59

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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.