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Finding the Fourth Proportional to 237,224.34, 355,520.61 and 87,326.15

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Solution

The fourth proportional to 237,224.34, 355,520.61 and 87,326.15 is: 130,872.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,224.34 : 355,520.61 = 87,326.15 : x
  2. Step 2: Convert to fraction form
    237,224.34/355,520.61 = 87,326.15/x
  3. Step 3: Cross multiply
    237,224.34x = 355,520.61 × 87,326.15
  4. Step 4: Simplify right side
    237,224.34x = 31,046,244,339.35
  5. Step 5: Solve for x
    x = 31,046,244,339.35/237,224.34
  6. Step 6: Final answer
    x = 130,872.93

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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.