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Finding the Fourth Proportional to 121,158.84, 181,745.52 and 38,052.84

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Solution

The fourth proportional to 121,158.84, 181,745.52 and 38,052.84 is: 57,081.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,158.84 : 181,745.52 = 38,052.84 : x
  2. Step 2: Convert to fraction form
    121,158.84/181,745.52 = 38,052.84/x
  3. Step 3: Cross multiply
    121,158.84x = 181,745.52 × 38,052.84
  4. Step 4: Simplify right side
    121,158.84x = 6,915,933,193.28
  5. Step 5: Solve for x
    x = 6,915,933,193.28/121,158.84
  6. Step 6: Final answer
    x = 57,081.54

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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.