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Finding the Fourth Proportional to 159,180, 238,771.62 and 48,372

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Solution

The fourth proportional to 159,180, 238,771.62 and 48,372 is: 72,558.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,180 : 238,771.62 = 48,372 : x
  2. Step 2: Convert to fraction form
    159,180/238,771.62 = 48,372/x
  3. Step 3: Cross multiply
    159,180x = 238,771.62 × 48,372
  4. Step 4: Simplify right side
    159,180x = 11,549,860,802.64
  5. Step 5: Solve for x
    x = 11,549,860,802.64/159,180
  6. Step 6: Final answer
    x = 72,558.49

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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.