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Finding the Fourth Proportional to 248,365.02, 372,603.08 and 90,593.47

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Solution

The fourth proportional to 248,365.02, 372,603.08 and 90,593.47 is: 135,910.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,365.02 : 372,603.08 = 90,593.47 : x
  2. Step 2: Convert to fraction form
    248,365.02/372,603.08 = 90,593.47/x
  3. Step 3: Cross multiply
    248,365.02x = 372,603.08 × 90,593.47
  4. Step 4: Simplify right side
    248,365.02x = 33,755,405,949.89
  5. Step 5: Solve for x
    x = 33,755,405,949.89/248,365.02
  6. Step 6: Final answer
    x = 135,910.47

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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.