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Finding the Fourth Proportional to 111,672.48, 154,107.51 and 60,684.24

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Solution

The fourth proportional to 111,672.48, 154,107.51 and 60,684.24 is: 83,743.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,672.48 : 154,107.51 = 60,684.24 : x
  2. Step 2: Convert to fraction form
    111,672.48/154,107.51 = 60,684.24/x
  3. Step 3: Cross multiply
    111,672.48x = 154,107.51 × 60,684.24
  4. Step 4: Simplify right side
    111,672.48x = 9,351,897,122.64
  5. Step 5: Solve for x
    x = 9,351,897,122.64/111,672.48
  6. Step 6: Final answer
    x = 83,743.97

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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.