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Finding the Fourth Proportional to 120,672.27, 181,037.68 and 36,427.40

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Solution

The fourth proportional to 120,672.27, 181,037.68 and 36,427.40 is: 54,649.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,672.27 : 181,037.68 = 36,427.40 : x
  2. Step 2: Convert to fraction form
    120,672.27/181,037.68 = 36,427.40/x
  3. Step 3: Cross multiply
    120,672.27x = 181,037.68 × 36,427.40
  4. Step 4: Simplify right side
    120,672.27x = 6,594,731,667.07
  5. Step 5: Solve for x
    x = 6,594,731,667.07/120,672.27
  6. Step 6: Final answer
    x = 54,649.93

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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.