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Finding the Fourth Proportional to 162,664.48, 244,009.20 and 56,004.64

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Solution

The fourth proportional to 162,664.48, 244,009.20 and 56,004.64 is: 84,011.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,664.48 : 244,009.20 = 56,004.64 : x
  2. Step 2: Convert to fraction form
    162,664.48/244,009.20 = 56,004.64/x
  3. Step 3: Cross multiply
    162,664.48x = 244,009.20 × 56,004.64
  4. Step 4: Simplify right side
    162,664.48x = 13,665,647,402.69
  5. Step 5: Solve for x
    x = 13,665,647,402.69/162,664.48
  6. Step 6: Final answer
    x = 84,011.26

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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.