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Finding the Fourth Proportional to 144,575.84, 199,496.76 and 80,897.60

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Solution

The fourth proportional to 144,575.84, 199,496.76 and 80,897.60 is: 111,628.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,575.84 : 199,496.76 = 80,897.60 : x
  2. Step 2: Convert to fraction form
    144,575.84/199,496.76 = 80,897.60/x
  3. Step 3: Cross multiply
    144,575.84x = 199,496.76 × 80,897.60
  4. Step 4: Simplify right side
    144,575.84x = 16,138,809,091.78
  5. Step 5: Solve for x
    x = 16,138,809,091.78/144,575.84
  6. Step 6: Final answer
    x = 111,628.67

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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.