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Finding the Fourth Proportional to 193,638.98, 291,344.22 and 114,808.56

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Solution

The fourth proportional to 193,638.98, 291,344.22 and 114,808.56 is: 172,738.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,638.98 : 291,344.22 = 114,808.56 : x
  2. Step 2: Convert to fraction form
    193,638.98/291,344.22 = 114,808.56/x
  3. Step 3: Cross multiply
    193,638.98x = 291,344.22 × 114,808.56
  4. Step 4: Simplify right side
    193,638.98x = 33,448,810,362.52
  5. Step 5: Solve for x
    x = 33,448,810,362.52/193,638.98
  6. Step 6: Final answer
    x = 172,738.00

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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.