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Finding the Fourth Proportional to 113,303.35, 169,912.80 and 33,319.90

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Solution

The fourth proportional to 113,303.35, 169,912.80 and 33,319.90 is: 49,967.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,303.35 : 169,912.80 = 33,319.90 : x
  2. Step 2: Convert to fraction form
    113,303.35/169,912.80 = 33,319.90/x
  3. Step 3: Cross multiply
    113,303.35x = 169,912.80 × 33,319.90
  4. Step 4: Simplify right side
    113,303.35x = 5,661,477,504.72
  5. Step 5: Solve for x
    x = 5,661,477,504.72/113,303.35
  6. Step 6: Final answer
    x = 49,967.43

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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.