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Finding the Fourth Proportional to 120,049.65, 180,187.47 and 60,927.75

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Solution

The fourth proportional to 120,049.65, 180,187.47 and 60,927.75 is: 91,448.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,049.65 : 180,187.47 = 60,927.75 : x
  2. Step 2: Convert to fraction form
    120,049.65/180,187.47 = 60,927.75/x
  3. Step 3: Cross multiply
    120,049.65x = 180,187.47 × 60,927.75
  4. Step 4: Simplify right side
    120,049.65x = 10,978,417,125.29
  5. Step 5: Solve for x
    x = 10,978,417,125.29/120,049.65
  6. Step 6: Final answer
    x = 91,448.97

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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.