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Finding the Fourth Proportional to 111,591, 154,015.02 and 63,846.36

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Solution

The fourth proportional to 111,591, 154,015.02 and 63,846.36 is: 88,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,591 : 154,015.02 = 63,846.36 : x
  2. Step 2: Convert to fraction form
    111,591/154,015.02 = 63,846.36/x
  3. Step 3: Cross multiply
    111,591x = 154,015.02 × 63,846.36
  4. Step 4: Simplify right side
    111,591x = 9,833,298,412.33
  5. Step 5: Solve for x
    x = 9,833,298,412.33/111,591
  6. Step 6: Final answer
    x = 88,119.10

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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.