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Finding the Fourth Proportional to 194,309.56, 291,474.78 and 61,200.23

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Solution

The fourth proportional to 194,309.56, 291,474.78 and 61,200.23 is: 91,803.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,309.56 : 291,474.78 = 61,200.23 : x
  2. Step 2: Convert to fraction form
    194,309.56/291,474.78 = 61,200.23/x
  3. Step 3: Cross multiply
    194,309.56x = 291,474.78 × 61,200.23
  4. Step 4: Simplify right side
    194,309.56x = 17,838,324,519.77
  5. Step 5: Solve for x
    x = 17,838,324,519.77/194,309.56
  6. Step 6: Final answer
    x = 91,803.64

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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.