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Finding the Fourth Proportional to 162,673.70, 243,813.72 and 73,837.76

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Solution

The fourth proportional to 162,673.70, 243,813.72 and 73,837.76 is: 110,667.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,673.70 : 243,813.72 = 73,837.76 : x
  2. Step 2: Convert to fraction form
    162,673.70/243,813.72 = 73,837.76/x
  3. Step 3: Cross multiply
    162,673.70x = 243,813.72 × 73,837.76
  4. Step 4: Simplify right side
    162,673.70x = 18,002,658,942.07
  5. Step 5: Solve for x
    x = 18,002,658,942.07/162,673.70
  6. Step 6: Final answer
    x = 110,667.30

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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.