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Finding the Fourth Proportional to 98,375.52, 147,504.96 and 45,796.80

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Solution

The fourth proportional to 98,375.52, 147,504.96 and 45,796.80 is: 68,668.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,375.52 : 147,504.96 = 45,796.80 : x
  2. Step 2: Convert to fraction form
    98,375.52/147,504.96 = 45,796.80/x
  3. Step 3: Cross multiply
    98,375.52x = 147,504.96 × 45,796.80
  4. Step 4: Simplify right side
    98,375.52x = 6,755,255,152.13
  5. Step 5: Solve for x
    x = 6,755,255,152.13/98,375.52
  6. Step 6: Final answer
    x = 68,668.05

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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.