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Finding the Fourth Proportional to 190,662.59, 285,995.53 and 48,508.03

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Solution

The fourth proportional to 190,662.59, 285,995.53 and 48,508.03 is: 72,762.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,662.59 : 285,995.53 = 48,508.03 : x
  2. Step 2: Convert to fraction form
    190,662.59/285,995.53 = 48,508.03/x
  3. Step 3: Cross multiply
    190,662.59x = 285,995.53 × 48,508.03
  4. Step 4: Simplify right side
    190,662.59x = 13,873,078,912.85
  5. Step 5: Solve for x
    x = 13,873,078,912.85/190,662.59
  6. Step 6: Final answer
    x = 72,762.46

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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.