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Finding the Fourth Proportional to 159,181.75, 238,774.25 and 48,373.75

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Solution

The fourth proportional to 159,181.75, 238,774.25 and 48,373.75 is: 72,561.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,181.75 : 238,774.25 = 48,373.75 : x
  2. Step 2: Convert to fraction form
    159,181.75/238,774.25 = 48,373.75/x
  3. Step 3: Cross multiply
    159,181.75x = 238,774.25 × 48,373.75
  4. Step 4: Simplify right side
    159,181.75x = 11,550,405,875.94
  5. Step 5: Solve for x
    x = 11,550,405,875.94/159,181.75
  6. Step 6: Final answer
    x = 72,561.12

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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.