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Finding the Fourth Proportional to 313,650.90, 470,494.37 and 88,993.76

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Solution

The fourth proportional to 313,650.90, 470,494.37 and 88,993.76 is: 133,495.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,650.90 : 470,494.37 = 88,993.76 : x
  2. Step 2: Convert to fraction form
    313,650.90/470,494.37 = 88,993.76/x
  3. Step 3: Cross multiply
    313,650.90x = 470,494.37 × 88,993.76
  4. Step 4: Simplify right side
    313,650.90x = 41,871,060,915.14
  5. Step 5: Solve for x
    x = 41,871,060,915.14/313,650.90
  6. Step 6: Final answer
    x = 133,495.75

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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.