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Finding the Fourth Proportional to 248,413.77, 372,676.01 and 90,642.24

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Solution

The fourth proportional to 248,413.77, 372,676.01 and 90,642.24 is: 135,983.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,413.77 : 372,676.01 = 90,642.24 : x
  2. Step 2: Convert to fraction form
    248,413.77/372,676.01 = 90,642.24/x
  3. Step 3: Cross multiply
    248,413.77x = 372,676.01 × 90,642.24
  4. Step 4: Simplify right side
    248,413.77x = 33,780,187,887.45
  5. Step 5: Solve for x
    x = 33,780,187,887.45/248,413.77
  6. Step 6: Final answer
    x = 135,983.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.