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Finding the Fourth Proportional to 158,019, 237,028.52 and 47,211

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Solution

The fourth proportional to 158,019, 237,028.52 and 47,211 is: 70,816.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,019 : 237,028.52 = 47,211 : x
  2. Step 2: Convert to fraction form
    158,019/237,028.52 = 47,211/x
  3. Step 3: Cross multiply
    158,019x = 237,028.52 × 47,211
  4. Step 4: Simplify right side
    158,019x = 11,190,353,457.72
  5. Step 5: Solve for x
    x = 11,190,353,457.72/158,019
  6. Step 6: Final answer
    x = 70,816.51

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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.