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Finding the Fourth Proportional to 167,769, 231,522.84 and 92,319.12

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Solution

The fourth proportional to 167,769, 231,522.84 and 92,319.12 is: 127,401.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,769 : 231,522.84 = 92,319.12 : x
  2. Step 2: Convert to fraction form
    167,769/231,522.84 = 92,319.12/x
  3. Step 3: Cross multiply
    167,769x = 231,522.84 × 92,319.12
  4. Step 4: Simplify right side
    167,769x = 21,373,984,848.70
  5. Step 5: Solve for x
    x = 21,373,984,848.70/167,769
  6. Step 6: Final answer
    x = 127,401.28

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1.5x scale

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.