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Finding the Fourth Proportional to 120,889.17, 181,369.96 and 48,804.96

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Solution

The fourth proportional to 120,889.17, 181,369.96 and 48,804.96 is: 73,222.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,889.17 : 181,369.96 = 48,804.96 : x
  2. Step 2: Convert to fraction form
    120,889.17/181,369.96 = 48,804.96/x
  3. Step 3: Cross multiply
    120,889.17x = 181,369.96 × 48,804.96
  4. Step 4: Simplify right side
    120,889.17x = 8,851,753,643.00
  5. Step 5: Solve for x
    x = 8,851,753,643.00/120,889.17
  6. Step 6: Final answer
    x = 73,222.06

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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.