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Finding the Fourth Proportional to 79,516.83, 119,288.53 and 36,865.01

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Solution

The fourth proportional to 79,516.83, 119,288.53 and 36,865.01 is: 55,303.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,516.83 : 119,288.53 = 36,865.01 : x
  2. Step 2: Convert to fraction form
    79,516.83/119,288.53 = 36,865.01/x
  3. Step 3: Cross multiply
    79,516.83x = 119,288.53 × 36,865.01
  4. Step 4: Simplify right side
    79,516.83x = 4,397,572,851.34
  5. Step 5: Solve for x
    x = 4,397,572,851.34/79,516.83
  6. Step 6: Final answer
    x = 55,303.67

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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.