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Finding the Fourth Proportional to 167,141.36, 250,720.14 and 54,811.64

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Solution

The fourth proportional to 167,141.36, 250,720.14 and 54,811.64 is: 82,220.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,141.36 : 250,720.14 = 54,811.64 : x
  2. Step 2: Convert to fraction form
    167,141.36/250,720.14 = 54,811.64/x
  3. Step 3: Cross multiply
    167,141.36x = 250,720.14 × 54,811.64
  4. Step 4: Simplify right side
    167,141.36x = 13,742,382,054.43
  5. Step 5: Solve for x
    x = 13,742,382,054.43/167,141.36
  6. Step 6: Final answer
    x = 82,220.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.