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Finding the Fourth Proportional to 161,845.29, 242,894.90 and 112,273.90

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Solution

The fourth proportional to 161,845.29, 242,894.90 and 112,273.90 is: 168,498.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,845.29 : 242,894.90 = 112,273.90 : x
  2. Step 2: Convert to fraction form
    161,845.29/242,894.90 = 112,273.90/x
  3. Step 3: Cross multiply
    161,845.29x = 242,894.90 × 112,273.90
  4. Step 4: Simplify right side
    161,845.29x = 27,270,757,386.56
  5. Step 5: Solve for x
    x = 27,270,757,386.56/161,845.29
  6. Step 6: Final answer
    x = 168,498.93

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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.