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Finding the Fourth Proportional to 144,525.54, 199,455.03 and 80,869.26

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Solution

The fourth proportional to 144,525.54, 199,455.03 and 80,869.26 is: 111,605.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,525.54 : 199,455.03 = 80,869.26 : x
  2. Step 2: Convert to fraction form
    144,525.54/199,455.03 = 80,869.26/x
  3. Step 3: Cross multiply
    144,525.54x = 199,455.03 × 80,869.26
  4. Step 4: Simplify right side
    144,525.54x = 16,129,780,679.38
  5. Step 5: Solve for x
    x = 16,129,780,679.38/144,525.54
  6. Step 6: Final answer
    x = 111,605.05

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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.