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Finding the Fourth Proportional to 237,018.75, 355,475.47 and 68,502.30

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Solution

The fourth proportional to 237,018.75, 355,475.47 and 68,502.30 is: 102,738.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,018.75 : 355,475.47 = 68,502.30 : x
  2. Step 2: Convert to fraction form
    237,018.75/355,475.47 = 68,502.30/x
  3. Step 3: Cross multiply
    237,018.75x = 355,475.47 × 68,502.30
  4. Step 4: Simplify right side
    237,018.75x = 24,350,887,288.58
  5. Step 5: Solve for x
    x = 24,350,887,288.58/237,018.75
  6. Step 6: Final answer
    x = 102,738.23

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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.