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Finding the Fourth Proportional to 135,956.53, 187,616.01 and 75,525.67

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Solution

The fourth proportional to 135,956.53, 187,616.01 and 75,525.67 is: 104,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,956.53 : 187,616.01 = 75,525.67 : x
  2. Step 2: Convert to fraction form
    135,956.53/187,616.01 = 75,525.67/x
  3. Step 3: Cross multiply
    135,956.53x = 187,616.01 × 75,525.67
  4. Step 4: Simplify right side
    135,956.53x = 14,169,824,857.98
  5. Step 5: Solve for x
    x = 14,169,824,857.98/135,956.53
  6. Step 6: Final answer
    x = 104,223.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.