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Finding the Fourth Proportional to 191,474.82, 264,235.14 and 106,611.93

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Solution

The fourth proportional to 191,474.82, 264,235.14 and 106,611.93 is: 147,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,474.82 : 264,235.14 = 106,611.93 : x
  2. Step 2: Convert to fraction form
    191,474.82/264,235.14 = 106,611.93/x
  3. Step 3: Cross multiply
    191,474.82x = 264,235.14 × 106,611.93
  4. Step 4: Simplify right side
    191,474.82x = 28,170,618,249.22
  5. Step 5: Solve for x
    x = 28,170,618,249.22/191,474.82
  6. Step 6: Final answer
    x = 147,124.40

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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.