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Finding the Fourth Proportional to 238,647.60, 357,914.88 and 88,958.16

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Solution

The fourth proportional to 238,647.60, 357,914.88 and 88,958.16 is: 133,416.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,647.60 : 357,914.88 = 88,958.16 : x
  2. Step 2: Convert to fraction form
    238,647.60/357,914.88 = 88,958.16/x
  3. Step 3: Cross multiply
    238,647.60x = 357,914.88 × 88,958.16
  4. Step 4: Simplify right side
    238,647.60x = 31,839,449,161.42
  5. Step 5: Solve for x
    x = 31,839,449,161.42/238,647.60
  6. Step 6: Final answer
    x = 133,416.17

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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.