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Finding the Fourth Proportional to 162,645.40, 244,022.60 and 56,102.90

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Solution

The fourth proportional to 162,645.40, 244,022.60 and 56,102.90 is: 84,173.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,645.40 : 244,022.60 = 56,102.90 : x
  2. Step 2: Convert to fraction form
    162,645.40/244,022.60 = 56,102.90/x
  3. Step 3: Cross multiply
    162,645.40x = 244,022.60 × 56,102.90
  4. Step 4: Simplify right side
    162,645.40x = 13,690,375,162.64
  5. Step 5: Solve for x
    x = 13,690,375,162.64/162,645.40
  6. Step 6: Final answer
    x = 84,173.15

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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.