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Finding the Fourth Proportional to 191,496.56, 264,260.76 and 106,611.92

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Solution

The fourth proportional to 191,496.56, 264,260.76 and 106,611.92 is: 147,121.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,496.56 : 264,260.76 = 106,611.92 : x
  2. Step 2: Convert to fraction form
    191,496.56/264,260.76 = 106,611.92/x
  3. Step 3: Cross multiply
    191,496.56x = 264,260.76 × 106,611.92
  4. Step 4: Simplify right side
    191,496.56x = 28,173,347,004.26
  5. Step 5: Solve for x
    x = 28,173,347,004.26/191,496.56
  6. Step 6: Final answer
    x = 147,121.95

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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.