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Finding the Fourth Proportional to 87,333.54, 130,890.71 and 37,354.88

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Solution

The fourth proportional to 87,333.54, 130,890.71 and 37,354.88 is: 55,985.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,333.54 : 130,890.71 = 37,354.88 : x
  2. Step 2: Convert to fraction form
    87,333.54/130,890.71 = 37,354.88/x
  3. Step 3: Cross multiply
    87,333.54x = 130,890.71 × 37,354.88
  4. Step 4: Simplify right side
    87,333.54x = 4,889,405,923.94
  5. Step 5: Solve for x
    x = 4,889,405,923.94/87,333.54
  6. Step 6: Final answer
    x = 55,985.43

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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.