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Finding the Fourth Proportional to 162,153.82, 243,236.20 and 43,826.19

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Solution

The fourth proportional to 162,153.82, 243,236.20 and 43,826.19 is: 65,740.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,153.82 : 243,236.20 = 43,826.19 : x
  2. Step 2: Convert to fraction form
    162,153.82/243,236.20 = 43,826.19/x
  3. Step 3: Cross multiply
    162,153.82x = 243,236.20 × 43,826.19
  4. Step 4: Simplify right side
    162,153.82x = 10,660,115,916.08
  5. Step 5: Solve for x
    x = 10,660,115,916.08/162,153.82
  6. Step 6: Final answer
    x = 65,740.76

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1.5x scale

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.