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Finding the Fourth Proportional to 144,953.88, 200,037.99 and 80,424.30

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Solution

The fourth proportional to 144,953.88, 200,037.99 and 80,424.30 is: 110,986.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,953.88 : 200,037.99 = 80,424.30 : x
  2. Step 2: Convert to fraction form
    144,953.88/200,037.99 = 80,424.30/x
  3. Step 3: Cross multiply
    144,953.88x = 200,037.99 × 80,424.30
  4. Step 4: Simplify right side
    144,953.88x = 16,087,915,319.16
  5. Step 5: Solve for x
    x = 16,087,915,319.16/144,953.88
  6. Step 6: Final answer
    x = 110,986.44

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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.