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Finding the Fourth Proportional to 71,460.86, 98,608.87 and 41,255.93

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Solution

The fourth proportional to 71,460.86, 98,608.87 and 41,255.93 is: 56,929.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,460.86 : 98,608.87 = 41,255.93 : x
  2. Step 2: Convert to fraction form
    71,460.86/98,608.87 = 41,255.93/x
  3. Step 3: Cross multiply
    71,460.86x = 98,608.87 × 41,255.93
  4. Step 4: Simplify right side
    71,460.86x = 4,068,200,041.91
  5. Step 5: Solve for x
    x = 4,068,200,041.91/71,460.86
  6. Step 6: Final answer
    x = 56,929.07

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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.