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Finding the Fourth Proportional to 248,466.90, 372,797.55 and 90,711.30

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Solution

The fourth proportional to 248,466.90, 372,797.55 and 90,711.30 is: 136,102.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,466.90 : 372,797.55 = 90,711.30 : x
  2. Step 2: Convert to fraction form
    248,466.90/372,797.55 = 90,711.30/x
  3. Step 3: Cross multiply
    248,466.90x = 372,797.55 × 90,711.30
  4. Step 4: Simplify right side
    248,466.90x = 33,816,950,397.32
  5. Step 5: Solve for x
    x = 33,816,950,397.32/248,466.90
  6. Step 6: Final answer
    x = 136,102.44

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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.