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Finding the Fourth Proportional to 90,937.52, 125,551.25 and 67,022.54

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Solution

The fourth proportional to 90,937.52, 125,551.25 and 67,022.54 is: 92,533.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,937.52 : 125,551.25 = 67,022.54 : x
  2. Step 2: Convert to fraction form
    90,937.52/125,551.25 = 67,022.54/x
  3. Step 3: Cross multiply
    90,937.52x = 125,551.25 × 67,022.54
  4. Step 4: Simplify right side
    90,937.52x = 8,414,763,675.18
  5. Step 5: Solve for x
    x = 8,414,763,675.18/90,937.52
  6. Step 6: Final answer
    x = 92,533.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.