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Finding the Fourth Proportional to 120,738.50, 181,117.74 and 37,632.50

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Solution

The fourth proportional to 120,738.50, 181,117.74 and 37,632.50 is: 56,451.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,738.50 : 181,117.74 = 37,632.50 : x
  2. Step 2: Convert to fraction form
    120,738.50/181,117.74 = 37,632.50/x
  3. Step 3: Cross multiply
    120,738.50x = 181,117.74 × 37,632.50
  4. Step 4: Simplify right side
    120,738.50x = 6,815,913,350.55
  5. Step 5: Solve for x
    x = 6,815,913,350.55/120,738.50
  6. Step 6: Final answer
    x = 56,451.86

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.