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Finding the Fourth Proportional to 191,608.92, 264,420.18 and 111,083.22

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Solution

The fourth proportional to 191,608.92, 264,420.18 and 111,083.22 is: 153,294.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,608.92 : 264,420.18 = 111,083.22 : x
  2. Step 2: Convert to fraction form
    191,608.92/264,420.18 = 111,083.22/x
  3. Step 3: Cross multiply
    191,608.92x = 264,420.18 × 111,083.22
  4. Step 4: Simplify right side
    191,608.92x = 29,372,645,027.38
  5. Step 5: Solve for x
    x = 29,372,645,027.38/191,608.92
  6. Step 6: Final answer
    x = 153,294.77

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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.