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Finding the Fourth Proportional to 67,054.50, 100,428.66 and 32,018.76

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Solution

The fourth proportional to 67,054.50, 100,428.66 and 32,018.76 is: 47,955.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,054.50 : 100,428.66 = 32,018.76 : x
  2. Step 2: Convert to fraction form
    67,054.50/100,428.66 = 32,018.76/x
  3. Step 3: Cross multiply
    67,054.50x = 100,428.66 × 32,018.76
  4. Step 4: Simplify right side
    67,054.50x = 3,215,601,161.66
  5. Step 5: Solve for x
    x = 3,215,601,161.66/67,054.50
  6. Step 6: Final answer
    x = 47,955.04

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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.