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Finding the Fourth Proportional to 161,355.71, 242,033.47 and 49,035.65

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Solution

The fourth proportional to 161,355.71, 242,033.47 and 49,035.65 is: 73,553.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,355.71 : 242,033.47 = 49,035.65 : x
  2. Step 2: Convert to fraction form
    161,355.71/242,033.47 = 49,035.65/x
  3. Step 3: Cross multiply
    161,355.71x = 242,033.47 × 49,035.65
  4. Step 4: Simplify right side
    161,355.71x = 11,868,267,190.45
  5. Step 5: Solve for x
    x = 11,868,267,190.45/161,355.71
  6. Step 6: Final answer
    x = 73,553.44

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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.