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Finding the Fourth Proportional to 92,149.56, 127,172.70 and 51,867.18

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Solution

The fourth proportional to 92,149.56, 127,172.70 and 51,867.18 is: 71,580.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,149.56 : 127,172.70 = 51,867.18 : x
  2. Step 2: Convert to fraction form
    92,149.56/127,172.70 = 51,867.18/x
  3. Step 3: Cross multiply
    92,149.56x = 127,172.70 × 51,867.18
  4. Step 4: Simplify right side
    92,149.56x = 6,596,089,321.99
  5. Step 5: Solve for x
    x = 6,596,089,321.99/92,149.56
  6. Step 6: Final answer
    x = 71,580.26

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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.