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Finding the Fourth Proportional to 247,544.51, 371,219.90 and 87,558.62

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Solution

The fourth proportional to 247,544.51, 371,219.90 and 87,558.62 is: 131,303.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,544.51 : 371,219.90 = 87,558.62 : x
  2. Step 2: Convert to fraction form
    247,544.51/371,219.90 = 87,558.62/x
  3. Step 3: Cross multiply
    247,544.51x = 371,219.90 × 87,558.62
  4. Step 4: Simplify right side
    247,544.51x = 32,503,502,160.54
  5. Step 5: Solve for x
    x = 32,503,502,160.54/247,544.51
  6. Step 6: Final answer
    x = 131,303.67

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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.