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Finding the Fourth Proportional to 161,794.76, 242,699.43 and 61,929.05

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Solution

The fourth proportional to 161,794.76, 242,699.43 and 61,929.05 is: 92,896.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,794.76 : 242,699.43 = 61,929.05 : x
  2. Step 2: Convert to fraction form
    161,794.76/242,699.43 = 61,929.05/x
  3. Step 3: Cross multiply
    161,794.76x = 242,699.43 × 61,929.05
  4. Step 4: Simplify right side
    161,794.76x = 15,030,143,921.94
  5. Step 5: Solve for x
    x = 15,030,143,921.94/161,794.76
  6. Step 6: Final answer
    x = 92,896.36

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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.