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Finding the Fourth Proportional to 238,819.04, 357,893.76 and 188,679.68

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Solution

The fourth proportional to 238,819.04, 357,893.76 and 188,679.68 is: 282,755.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,819.04 : 357,893.76 = 188,679.68 : x
  2. Step 2: Convert to fraction form
    238,819.04/357,893.76 = 188,679.68/x
  3. Step 3: Cross multiply
    238,819.04x = 357,893.76 × 188,679.68
  4. Step 4: Simplify right side
    238,819.04x = 67,527,280,110.80
  5. Step 5: Solve for x
    x = 67,527,280,110.80/238,819.04
  6. Step 6: Final answer
    x = 282,755.01

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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.