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Finding the Fourth Proportional to 253,983.62, 380,983.50 and 94,099.59

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Solution

The fourth proportional to 253,983.62, 380,983.50 and 94,099.59 is: 141,152.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,983.62 : 380,983.50 = 94,099.59 : x
  2. Step 2: Convert to fraction form
    253,983.62/380,983.50 = 94,099.59/x
  3. Step 3: Cross multiply
    253,983.62x = 380,983.50 × 94,099.59
  4. Step 4: Simplify right side
    253,983.62x = 35,850,391,146.77
  5. Step 5: Solve for x
    x = 35,850,391,146.77/253,983.62
  6. Step 6: Final answer
    x = 141,152.37

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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.