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Finding the Fourth Proportional to 161,921.52, 242,898.48 and 49,600.44

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Solution

The fourth proportional to 161,921.52, 242,898.48 and 49,600.44 is: 74,405.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,921.52 : 242,898.48 = 49,600.44 : x
  2. Step 2: Convert to fraction form
    161,921.52/242,898.48 = 49,600.44/x
  3. Step 3: Cross multiply
    161,921.52x = 242,898.48 × 49,600.44
  4. Step 4: Simplify right side
    161,921.52x = 12,047,871,483.33
  5. Step 5: Solve for x
    x = 12,047,871,483.33/161,921.52
  6. Step 6: Final answer
    x = 74,405.62

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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.