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Finding the Fourth Proportional to 76,173.98, 114,190.99 and 26,242.20

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Solution

The fourth proportional to 76,173.98, 114,190.99 and 26,242.20 is: 39,339.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,173.98 : 114,190.99 = 26,242.20 : x
  2. Step 2: Convert to fraction form
    76,173.98/114,190.99 = 26,242.20/x
  3. Step 3: Cross multiply
    76,173.98x = 114,190.99 × 26,242.20
  4. Step 4: Simplify right side
    76,173.98x = 2,996,622,732.17
  5. Step 5: Solve for x
    x = 2,996,622,732.17/76,173.98
  6. Step 6: Final answer
    x = 39,339.19

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1.5x scale

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.