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Finding the Fourth Proportional to 161,855.80, 242,785.94 and 62,021.04

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Solution

The fourth proportional to 161,855.80, 242,785.94 and 62,021.04 is: 93,032.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,855.80 : 242,785.94 = 62,021.04 : x
  2. Step 2: Convert to fraction form
    161,855.80/242,785.94 = 62,021.04/x
  3. Step 3: Cross multiply
    161,855.80x = 242,785.94 × 62,021.04
  4. Step 4: Simplify right side
    161,855.80x = 15,057,836,496.18
  5. Step 5: Solve for x
    x = 15,057,836,496.18/161,855.80
  6. Step 6: Final answer
    x = 93,032.42

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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.