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Finding the Fourth Proportional to 71,336.88, 98,442.64 and 41,122.32

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Solution

The fourth proportional to 71,336.88, 98,442.64 and 41,122.32 is: 56,747.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,336.88 : 98,442.64 = 41,122.32 : x
  2. Step 2: Convert to fraction form
    71,336.88/98,442.64 = 41,122.32/x
  3. Step 3: Cross multiply
    71,336.88x = 98,442.64 × 41,122.32
  4. Step 4: Simplify right side
    71,336.88x = 4,048,189,743.72
  5. Step 5: Solve for x
    x = 4,048,189,743.72/71,336.88
  6. Step 6: Final answer
    x = 56,747.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.