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Finding the Fourth Proportional to 159,267.33, 238,900.98 and 40,938.78

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Solution

The fourth proportional to 159,267.33, 238,900.98 and 40,938.78 is: 61,408.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,267.33 : 238,900.98 = 40,938.78 : x
  2. Step 2: Convert to fraction form
    159,267.33/238,900.98 = 40,938.78/x
  3. Step 3: Cross multiply
    159,267.33x = 238,900.98 × 40,938.78
  4. Step 4: Simplify right side
    159,267.33x = 9,780,314,662.00
  5. Step 5: Solve for x
    x = 9,780,314,662.00/159,267.33
  6. Step 6: Final answer
    x = 61,408.17

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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.