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Finding the Fourth Proportional to 71,144, 98,184.48 and 41,341.76

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Solution

The fourth proportional to 71,144, 98,184.48 and 41,341.76 is: 57,054.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,144 : 98,184.48 = 41,341.76 : x
  2. Step 2: Convert to fraction form
    71,144/98,184.48 = 41,341.76/x
  3. Step 3: Cross multiply
    71,144x = 98,184.48 × 41,341.76
  4. Step 4: Simplify right side
    71,144x = 4,059,119,207.88
  5. Step 5: Solve for x
    x = 4,059,119,207.88/71,144
  6. Step 6: Final answer
    x = 57,054.98

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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.