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Finding the Fourth Proportional to 90,592.52, 135,905.10 and 37,275.08

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Solution

The fourth proportional to 90,592.52, 135,905.10 and 37,275.08 is: 55,919.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,592.52 : 135,905.10 = 37,275.08 : x
  2. Step 2: Convert to fraction form
    90,592.52/135,905.10 = 37,275.08/x
  3. Step 3: Cross multiply
    90,592.52x = 135,905.10 × 37,275.08
  4. Step 4: Simplify right side
    90,592.52x = 5,065,873,474.91
  5. Step 5: Solve for x
    x = 5,065,873,474.91/90,592.52
  6. Step 6: Final answer
    x = 55,919.34

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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.