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Finding the Fourth Proportional to 111,344.25, 167,026.11 and 28,238.25

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Solution

The fourth proportional to 111,344.25, 167,026.11 and 28,238.25 is: 42,359.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,344.25 : 167,026.11 = 28,238.25 : x
  2. Step 2: Convert to fraction form
    111,344.25/167,026.11 = 28,238.25/x
  3. Step 3: Cross multiply
    111,344.25x = 167,026.11 × 28,238.25
  4. Step 4: Simplify right side
    111,344.25x = 4,716,525,050.71
  5. Step 5: Solve for x
    x = 4,716,525,050.71/111,344.25
  6. Step 6: Final answer
    x = 42,359.84

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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.