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Finding the Fourth Proportional to 120,902.22, 181,329.71 and 114,901.11

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Solution

The fourth proportional to 120,902.22, 181,329.71 and 114,901.11 is: 172,329.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,902.22 : 181,329.71 = 114,901.11 : x
  2. Step 2: Convert to fraction form
    120,902.22/181,329.71 = 114,901.11/x
  3. Step 3: Cross multiply
    120,902.22x = 181,329.71 × 114,901.11
  4. Step 4: Simplify right side
    120,902.22x = 20,834,984,839.96
  5. Step 5: Solve for x
    x = 20,834,984,839.96/120,902.22
  6. Step 6: Final answer
    x = 172,329.22

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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.