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Finding the Fourth Proportional to 161,604.94, 242,388.87 and 61,762.92

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Solution

The fourth proportional to 161,604.94, 242,388.87 and 61,762.92 is: 92,637.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,604.94 : 242,388.87 = 61,762.92 : x
  2. Step 2: Convert to fraction form
    161,604.94/242,388.87 = 61,762.92/x
  3. Step 3: Cross multiply
    161,604.94x = 242,388.87 × 61,762.92
  4. Step 4: Simplify right side
    161,604.94x = 14,970,644,386.70
  5. Step 5: Solve for x
    x = 14,970,644,386.70/161,604.94
  6. Step 6: Final answer
    x = 92,637.29

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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.