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Finding the Fourth Proportional to 191,609.92, 264,421.56 and 111,084.22

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Solution

The fourth proportional to 191,609.92, 264,421.56 and 111,084.22 is: 153,296.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,609.92 : 264,421.56 = 111,084.22 : x
  2. Step 2: Convert to fraction form
    191,609.92/264,421.56 = 111,084.22/x
  3. Step 3: Cross multiply
    191,609.92x = 264,421.56 × 111,084.22
  4. Step 4: Simplify right side
    191,609.92x = 29,373,062,743.78
  5. Step 5: Solve for x
    x = 29,373,062,743.78/191,609.92
  6. Step 6: Final answer
    x = 153,296.15

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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.