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Finding the Fourth Proportional to 238,546.80, 357,817.68 and 61,052.40

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Solution

The fourth proportional to 238,546.80, 357,817.68 and 61,052.40 is: 91,577.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,546.80 : 357,817.68 = 61,052.40 : x
  2. Step 2: Convert to fraction form
    238,546.80/357,817.68 = 61,052.40/x
  3. Step 3: Cross multiply
    238,546.80x = 357,817.68 × 61,052.40
  4. Step 4: Simplify right side
    238,546.80x = 21,845,628,126.43
  5. Step 5: Solve for x
    x = 21,845,628,126.43/238,546.80
  6. Step 6: Final answer
    x = 91,577.96

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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.