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Finding the Fourth Proportional to 191,745.63, 264,609.86 and 111,220.83

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Solution

The fourth proportional to 191,745.63, 264,609.86 and 111,220.83 is: 153,485.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,745.63 : 264,609.86 = 111,220.83 : x
  2. Step 2: Convert to fraction form
    191,745.63/264,609.86 = 111,220.83/x
  3. Step 3: Cross multiply
    191,745.63x = 264,609.86 × 111,220.83
  4. Step 4: Simplify right side
    191,745.63x = 29,430,127,699.28
  5. Step 5: Solve for x
    x = 29,430,127,699.28/191,745.63
  6. Step 6: Final answer
    x = 153,485.26

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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.