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Finding the Fourth Proportional to 162,699.88, 243,652.38 and 100,284.52

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Solution

The fourth proportional to 162,699.88, 243,652.38 and 100,284.52 is: 150,181.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,699.88 : 243,652.38 = 100,284.52 : x
  2. Step 2: Convert to fraction form
    162,699.88/243,652.38 = 100,284.52/x
  3. Step 3: Cross multiply
    162,699.88x = 243,652.38 × 100,284.52
  4. Step 4: Simplify right side
    162,699.88x = 24,434,561,975.16
  5. Step 5: Solve for x
    x = 24,434,561,975.16/162,699.88
  6. Step 6: Final answer
    x = 150,181.81

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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.