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Finding the Fourth Proportional to 111,614.73, 154,029.73 and 60,628.32

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Solution

The fourth proportional to 111,614.73, 154,029.73 and 60,628.32 is: 83,667.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,614.73 : 154,029.73 = 60,628.32 : x
  2. Step 2: Convert to fraction form
    111,614.73/154,029.73 = 60,628.32/x
  3. Step 3: Cross multiply
    111,614.73x = 154,029.73 × 60,628.32
  4. Step 4: Simplify right side
    111,614.73x = 9,338,562,989.80
  5. Step 5: Solve for x
    x = 9,338,562,989.80/111,614.73
  6. Step 6: Final answer
    x = 83,667.84

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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.