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Finding the Fourth Proportional to 191,622.73, 264,447.54 and 106,739.83

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Solution

The fourth proportional to 191,622.73, 264,447.54 and 106,739.83 is: 147,305.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,622.73 : 264,447.54 = 106,739.83 : x
  2. Step 2: Convert to fraction form
    191,622.73/264,447.54 = 106,739.83/x
  3. Step 3: Cross multiply
    191,622.73x = 264,447.54 × 106,739.83
  4. Step 4: Simplify right side
    191,622.73x = 28,227,085,463.52
  5. Step 5: Solve for x
    x = 28,227,085,463.52/191,622.73
  6. Step 6: Final answer
    x = 147,305.52

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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.