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Finding the Fourth Proportional to 248,091.98, 372,261.08 and 98,328.96

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Solution

The fourth proportional to 248,091.98, 372,261.08 and 98,328.96 is: 147,542.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,091.98 : 372,261.08 = 98,328.96 : x
  2. Step 2: Convert to fraction form
    248,091.98/372,261.08 = 98,328.96/x
  3. Step 3: Cross multiply
    248,091.98x = 372,261.08 × 98,328.96
  4. Step 4: Simplify right side
    248,091.98x = 36,604,044,844.88
  5. Step 5: Solve for x
    x = 36,604,044,844.88/248,091.98
  6. Step 6: Final answer
    x = 147,542.23

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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.