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Finding the Fourth Proportional to 111,609.36, 154,022.04 and 60,623.10

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Solution

The fourth proportional to 111,609.36, 154,022.04 and 60,623.10 is: 83,660.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,609.36 : 154,022.04 = 60,623.10 : x
  2. Step 2: Convert to fraction form
    111,609.36/154,022.04 = 60,623.10/x
  3. Step 3: Cross multiply
    111,609.36x = 154,022.04 × 60,623.10
  4. Step 4: Simplify right side
    111,609.36x = 9,337,293,533.12
  5. Step 5: Solve for x
    x = 9,337,293,533.12/111,609.36
  6. Step 6: Final answer
    x = 83,660.49

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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.