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Finding the Fourth Proportional to 144,593.82, 199,511.12 and 90,847.70

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Solution

The fourth proportional to 144,593.82, 199,511.12 and 90,847.70 is: 125,352.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,593.82 : 199,511.12 = 90,847.70 : x
  2. Step 2: Convert to fraction form
    144,593.82/199,511.12 = 90,847.70/x
  3. Step 3: Cross multiply
    144,593.82x = 199,511.12 × 90,847.70
  4. Step 4: Simplify right side
    144,593.82x = 18,125,126,013.48
  5. Step 5: Solve for x
    x = 18,125,126,013.48/144,593.82
  6. Step 6: Final answer
    x = 125,352.01

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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.