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Finding the Fourth Proportional to 144,856.88, 200,176.68 and 108,984.56

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Solution

The fourth proportional to 144,856.88, 200,176.68 and 108,984.56 is: 150,604.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,856.88 : 200,176.68 = 108,984.56 : x
  2. Step 2: Convert to fraction form
    144,856.88/200,176.68 = 108,984.56/x
  3. Step 3: Cross multiply
    144,856.88x = 200,176.68 × 108,984.56
  4. Step 4: Simplify right side
    144,856.88x = 21,816,167,392.06
  5. Step 5: Solve for x
    x = 21,816,167,392.06/144,856.88
  6. Step 6: Final answer
    x = 150,604.98

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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.