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Finding the Fourth Proportional to 75,179.95, 112,771.74 and 25,260.76

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Solution

The fourth proportional to 75,179.95, 112,771.74 and 25,260.76 is: 37,891.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,179.95 : 112,771.74 = 25,260.76 : x
  2. Step 2: Convert to fraction form
    75,179.95/112,771.74 = 25,260.76/x
  3. Step 3: Cross multiply
    75,179.95x = 112,771.74 × 25,260.76
  4. Step 4: Simplify right side
    75,179.95x = 2,848,700,094.61
  5. Step 5: Solve for x
    x = 2,848,700,094.61/75,179.95
  6. Step 6: Final answer
    x = 37,891.75

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1.5x scale

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.