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Finding the Fourth Proportional to 162,651.70, 243,987.13 and 62,812.42

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Solution

The fourth proportional to 162,651.70, 243,987.13 and 62,812.42 is: 94,222.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,651.70 : 243,987.13 = 62,812.42 : x
  2. Step 2: Convert to fraction form
    162,651.70/243,987.13 = 62,812.42/x
  3. Step 3: Cross multiply
    162,651.70x = 243,987.13 × 62,812.42
  4. Step 4: Simplify right side
    162,651.70x = 15,325,422,018.46
  5. Step 5: Solve for x
    x = 15,325,422,018.46/162,651.70
  6. Step 6: Final answer
    x = 94,222.33

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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.