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Finding the Fourth Proportional to 159,269.88, 238,939.38 and 48,459

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Solution

The fourth proportional to 159,269.88, 238,939.38 and 48,459 is: 72,699.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,269.88 : 238,939.38 = 48,459 : x
  2. Step 2: Convert to fraction form
    159,269.88/238,939.38 = 48,459/x
  3. Step 3: Cross multiply
    159,269.88x = 238,939.38 × 48,459
  4. Step 4: Simplify right side
    159,269.88x = 11,578,763,415.42
  5. Step 5: Solve for x
    x = 11,578,763,415.42/159,269.88
  6. Step 6: Final answer
    x = 72,699.02

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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.