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Finding the Fourth Proportional to 144,561.84, 199,477.44 and 80,883.60

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Solution

The fourth proportional to 144,561.84, 199,477.44 and 80,883.60 is: 111,609.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,561.84 : 199,477.44 = 80,883.60 : x
  2. Step 2: Convert to fraction form
    144,561.84/199,477.44 = 80,883.60/x
  3. Step 3: Cross multiply
    144,561.84x = 199,477.44 × 80,883.60
  4. Step 4: Simplify right side
    144,561.84x = 16,134,453,465.98
  5. Step 5: Solve for x
    x = 16,134,453,465.98/144,561.84
  6. Step 6: Final answer
    x = 111,609.35

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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.