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Finding the Fourth Proportional to 167,798.02, 251,401.77 and 157,808.90

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Solution

The fourth proportional to 167,798.02, 251,401.77 and 157,808.90 is: 236,435.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,798.02 : 251,401.77 = 157,808.90 : x
  2. Step 2: Convert to fraction form
    167,798.02/251,401.77 = 157,808.90/x
  3. Step 3: Cross multiply
    167,798.02x = 251,401.77 × 157,808.90
  4. Step 4: Simplify right side
    167,798.02x = 39,673,436,781.75
  5. Step 5: Solve for x
    x = 39,673,436,781.75/167,798.02
  6. Step 6: Final answer
    x = 236,435.67

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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.