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Finding the Fourth Proportional to 270,000, 372,600.32 and 150,768

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Solution

The fourth proportional to 270,000, 372,600.32 and 150,768 is: 208,060.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,000 : 372,600.32 = 150,768 : x
  2. Step 2: Convert to fraction form
    270,000/372,600.32 = 150,768/x
  3. Step 3: Cross multiply
    270,000x = 372,600.32 × 150,768
  4. Step 4: Simplify right side
    270,000x = 56,176,205,045.76
  5. Step 5: Solve for x
    x = 56,176,205,045.76/270,000
  6. Step 6: Final answer
    x = 208,060.02

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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.