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Finding the Fourth Proportional to 191,786.37, 264,668.72 and 106,894.32

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Solution

The fourth proportional to 191,786.37, 264,668.72 and 106,894.32 is: 147,516.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,786.37 : 264,668.72 = 106,894.32 : x
  2. Step 2: Convert to fraction form
    191,786.37/264,668.72 = 106,894.32/x
  3. Step 3: Cross multiply
    191,786.37x = 264,668.72 × 106,894.32
  4. Step 4: Simplify right side
    191,786.37x = 28,291,582,315.20
  5. Step 5: Solve for x
    x = 28,291,582,315.20/191,786.37
  6. Step 6: Final answer
    x = 147,516.13

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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.