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Finding the Fourth Proportional to 178,642.08, 268,002 and 60,308.37

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Solution

The fourth proportional to 178,642.08, 268,002 and 60,308.37 is: 90,475.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,642.08 : 268,002 = 60,308.37 : x
  2. Step 2: Convert to fraction form
    178,642.08/268,002 = 60,308.37/x
  3. Step 3: Cross multiply
    178,642.08x = 268,002 × 60,308.37
  4. Step 4: Simplify right side
    178,642.08x = 16,162,763,776.74
  5. Step 5: Solve for x
    x = 16,162,763,776.74/178,642.08
  6. Step 6: Final answer
    x = 90,475.68

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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.