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Finding the Fourth Proportional to 191,658.38, 264,477.56 and 109,969.34

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Solution

The fourth proportional to 191,658.38, 264,477.56 and 109,969.34 is: 151,751.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,658.38 : 264,477.56 = 109,969.34 : x
  2. Step 2: Convert to fraction form
    191,658.38/264,477.56 = 109,969.34/x
  3. Step 3: Cross multiply
    191,658.38x = 264,477.56 × 109,969.34
  4. Step 4: Simplify right side
    191,658.38x = 29,084,420,845.78
  5. Step 5: Solve for x
    x = 29,084,420,845.78/191,658.38
  6. Step 6: Final answer
    x = 151,751.37

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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.