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Finding the Fourth Proportional to 79,889.58, 110,251.19 and 45,909.07

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Solution

The fourth proportional to 79,889.58, 110,251.19 and 45,909.07 is: 63,356.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,889.58 : 110,251.19 = 45,909.07 : x
  2. Step 2: Convert to fraction form
    79,889.58/110,251.19 = 45,909.07/x
  3. Step 3: Cross multiply
    79,889.58x = 110,251.19 × 45,909.07
  4. Step 4: Simplify right side
    79,889.58x = 5,061,529,438.44
  5. Step 5: Solve for x
    x = 5,061,529,438.44/79,889.58
  6. Step 6: Final answer
    x = 63,356.57

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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.