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Finding the Fourth Proportional to 248,522.40, 372,783.60 and 71,035.20

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Solution

The fourth proportional to 248,522.40, 372,783.60 and 71,035.20 is: 106,552.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,522.40 : 372,783.60 = 71,035.20 : x
  2. Step 2: Convert to fraction form
    248,522.40/372,783.60 = 71,035.20/x
  3. Step 3: Cross multiply
    248,522.40x = 372,783.60 × 71,035.20
  4. Step 4: Simplify right side
    248,522.40x = 26,480,757,582.72
  5. Step 5: Solve for x
    x = 26,480,757,582.72/248,522.40
  6. Step 6: Final answer
    x = 106,552.80

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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.