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Finding the Fourth Proportional to 149,978.88, 224,968.32 and 44,798.88

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Solution

The fourth proportional to 149,978.88, 224,968.32 and 44,798.88 is: 67,198.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,978.88 : 224,968.32 = 44,798.88 : x
  2. Step 2: Convert to fraction form
    149,978.88/224,968.32 = 44,798.88/x
  3. Step 3: Cross multiply
    149,978.88x = 224,968.32 × 44,798.88
  4. Step 4: Simplify right side
    149,978.88x = 10,078,328,771.48
  5. Step 5: Solve for x
    x = 10,078,328,771.48/149,978.88
  6. Step 6: Final answer
    x = 67,198.32

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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.