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Finding the Fourth Proportional to 92,017.01, 126,971.12 and 51,722.75

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Solution

The fourth proportional to 92,017.01, 126,971.12 and 51,722.75 is: 71,370.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,017.01 : 126,971.12 = 51,722.75 : x
  2. Step 2: Convert to fraction form
    92,017.01/126,971.12 = 51,722.75/x
  3. Step 3: Cross multiply
    92,017.01x = 126,971.12 × 51,722.75
  4. Step 4: Simplify right side
    92,017.01x = 6,567,295,496.98
  5. Step 5: Solve for x
    x = 6,567,295,496.98/92,017.01
  6. Step 6: Final answer
    x = 71,370.45

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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.