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Finding the Fourth Proportional to 270,055, 372,675.90 and 150,823

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Solution

The fourth proportional to 270,055, 372,675.90 and 150,823 is: 208,135.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,055 : 372,675.90 = 150,823 : x
  2. Step 2: Convert to fraction form
    270,055/372,675.90 = 150,823/x
  3. Step 3: Cross multiply
    270,055x = 372,675.90 × 150,823
  4. Step 4: Simplify right side
    270,055x = 56,208,097,265.70
  5. Step 5: Solve for x
    x = 56,208,097,265.70/270,055
  6. Step 6: Final answer
    x = 208,135.74

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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.