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Finding the Fourth Proportional to 135,543.51, 203,133.83 and 60,647.67

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Solution

The fourth proportional to 135,543.51, 203,133.83 and 60,647.67 is: 90,890.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,543.51 : 203,133.83 = 60,647.67 : x
  2. Step 2: Convert to fraction form
    135,543.51/203,133.83 = 60,647.67/x
  3. Step 3: Cross multiply
    135,543.51x = 203,133.83 × 60,647.67
  4. Step 4: Simplify right side
    135,543.51x = 12,319,593,184.44
  5. Step 5: Solve for x
    x = 12,319,593,184.44/135,543.51
  6. Step 6: Final answer
    x = 90,890.32

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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.