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Finding the Fourth Proportional to 238,089.60, 357,147.36 and 71,873.28

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Solution

The fourth proportional to 238,089.60, 357,147.36 and 71,873.28 is: 107,813.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,089.60 : 357,147.36 = 71,873.28 : x
  2. Step 2: Convert to fraction form
    238,089.60/357,147.36 = 71,873.28/x
  3. Step 3: Cross multiply
    238,089.60x = 357,147.36 × 71,873.28
  4. Step 4: Simplify right side
    238,089.60x = 25,669,352,206.54
  5. Step 5: Solve for x
    x = 25,669,352,206.54/238,089.60
  6. Step 6: Final answer
    x = 107,813.83

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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.