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Finding the Fourth Proportional to 162,812.30, 244,145.55 and 62,939.30

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Solution

The fourth proportional to 162,812.30, 244,145.55 and 62,939.30 is: 94,380.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,812.30 : 244,145.55 = 62,939.30 : x
  2. Step 2: Convert to fraction form
    162,812.30/244,145.55 = 62,939.30/x
  3. Step 3: Cross multiply
    162,812.30x = 244,145.55 × 62,939.30
  4. Step 4: Simplify right side
    162,812.30x = 15,366,350,015.12
  5. Step 5: Solve for x
    x = 15,366,350,015.12/162,812.30
  6. Step 6: Final answer
    x = 94,380.77

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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.