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Finding the Fourth Proportional to 69,502.99, 104,217 and 37,499.21

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Solution

The fourth proportional to 69,502.99, 104,217 and 37,499.21 is: 56,228.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,502.99 : 104,217 = 37,499.21 : x
  2. Step 2: Convert to fraction form
    69,502.99/104,217 = 37,499.21/x
  3. Step 3: Cross multiply
    69,502.99x = 104,217 × 37,499.21
  4. Step 4: Simplify right side
    69,502.99x = 3,908,055,168.57
  5. Step 5: Solve for x
    x = 3,908,055,168.57/69,502.99
  6. Step 6: Final answer
    x = 56,228.59

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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.