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Finding the Fourth Proportional to 90,060.59, 135,093.62 and 30,895.41

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Solution

The fourth proportional to 90,060.59, 135,093.62 and 30,895.41 is: 46,344.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,060.59 : 135,093.62 = 30,895.41 : x
  2. Step 2: Convert to fraction form
    90,060.59/135,093.62 = 30,895.41/x
  3. Step 3: Cross multiply
    90,060.59x = 135,093.62 × 30,895.41
  4. Step 4: Simplify right side
    90,060.59x = 4,173,772,855.52
  5. Step 5: Solve for x
    x = 4,173,772,855.52/90,060.59
  6. Step 6: Final answer
    x = 46,344.05

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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.