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Finding the Fourth Proportional to 105,652.98, 158,485.23 and 26,767.89

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Solution

The fourth proportional to 105,652.98, 158,485.23 and 26,767.89 is: 40,153.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,652.98 : 158,485.23 = 26,767.89 : x
  2. Step 2: Convert to fraction form
    105,652.98/158,485.23 = 26,767.89/x
  3. Step 3: Cross multiply
    105,652.98x = 158,485.23 × 26,767.89
  4. Step 4: Simplify right side
    105,652.98x = 4,242,315,203.26
  5. Step 5: Solve for x
    x = 4,242,315,203.26/105,652.98
  6. Step 6: Final answer
    x = 40,153.29

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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.