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Finding the Fourth Proportional to 162,900.78, 244,200.80 and 113,004.42

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Solution

The fourth proportional to 162,900.78, 244,200.80 and 113,004.42 is: 169,402.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,900.78 : 244,200.80 = 113,004.42 : x
  2. Step 2: Convert to fraction form
    162,900.78/244,200.80 = 113,004.42/x
  3. Step 3: Cross multiply
    162,900.78x = 244,200.80 × 113,004.42
  4. Step 4: Simplify right side
    162,900.78x = 27,595,769,767.54
  5. Step 5: Solve for x
    x = 27,595,769,767.54/162,900.78
  6. Step 6: Final answer
    x = 169,402.32

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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.