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Finding the Fourth Proportional to 235,907.96, 353,607.39 and 115,825.25

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Solution

The fourth proportional to 235,907.96, 353,607.39 and 115,825.25 is: 173,612.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,907.96 : 353,607.39 = 115,825.25 : x
  2. Step 2: Convert to fraction form
    235,907.96/353,607.39 = 115,825.25/x
  3. Step 3: Cross multiply
    235,907.96x = 353,607.39 × 115,825.25
  4. Step 4: Simplify right side
    235,907.96x = 40,956,665,232.62
  5. Step 5: Solve for x
    x = 40,956,665,232.62/235,907.96
  6. Step 6: Final answer
    x = 173,612.90

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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.