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Finding the Fourth Proportional to 353,259.56, 529,890.90 and 113,409.90

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Solution

The fourth proportional to 353,259.56, 529,890.90 and 113,409.90 is: 170,115.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,259.56 : 529,890.90 = 113,409.90 : x
  2. Step 2: Convert to fraction form
    353,259.56/529,890.90 = 113,409.90/x
  3. Step 3: Cross multiply
    353,259.56x = 529,890.90 × 113,409.90
  4. Step 4: Simplify right side
    353,259.56x = 60,094,873,554.62
  5. Step 5: Solve for x
    x = 60,094,873,554.62/353,259.56
  6. Step 6: Final answer
    x = 170,115.35

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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.