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Finding the Fourth Proportional to 90,626.57, 135,992.51 and 37,323.91

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Solution

The fourth proportional to 90,626.57, 135,992.51 and 37,323.91 is: 56,007.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,626.57 : 135,992.51 = 37,323.91 : x
  2. Step 2: Convert to fraction form
    90,626.57/135,992.51 = 37,323.91/x
  3. Step 3: Cross multiply
    90,626.57x = 135,992.51 × 37,323.91
  4. Step 4: Simplify right side
    90,626.57x = 5,075,772,203.91
  5. Step 5: Solve for x
    x = 5,075,772,203.91/90,626.57
  6. Step 6: Final answer
    x = 56,007.55

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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.