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Finding the Fourth Proportional to 79,993.50, 120,025.28 and 37,903.63

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Solution

The fourth proportional to 79,993.50, 120,025.28 and 37,903.63 is: 56,872.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,993.50 : 120,025.28 = 37,903.63 : x
  2. Step 2: Convert to fraction form
    79,993.50/120,025.28 = 37,903.63/x
  3. Step 3: Cross multiply
    79,993.50x = 120,025.28 × 37,903.63
  4. Step 4: Simplify right side
    79,993.50x = 4,549,393,803.77
  5. Step 5: Solve for x
    x = 4,549,393,803.77/79,993.50
  6. Step 6: Final answer
    x = 56,872.04

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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.