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Finding the Fourth Proportional to 265,991.10, 367,017.36 and 158,571.12

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Solution

The fourth proportional to 265,991.10, 367,017.36 and 158,571.12 is: 218,798.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,991.10 : 367,017.36 = 158,571.12 : x
  2. Step 2: Convert to fraction form
    265,991.10/367,017.36 = 158,571.12/x
  3. Step 3: Cross multiply
    265,991.10x = 367,017.36 × 158,571.12
  4. Step 4: Simplify right side
    265,991.10x = 58,198,353,834.64
  5. Step 5: Solve for x
    x = 58,198,353,834.64/265,991.10
  6. Step 6: Final answer
    x = 218,798.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.