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Finding the Fourth Proportional to 71,685.96, 98,898.21 and 41,465.67

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Solution

The fourth proportional to 71,685.96, 98,898.21 and 41,465.67 is: 57,206.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,685.96 : 98,898.21 = 41,465.67 : x
  2. Step 2: Convert to fraction form
    71,685.96/98,898.21 = 41,465.67/x
  3. Step 3: Cross multiply
    71,685.96x = 98,898.21 × 41,465.67
  4. Step 4: Simplify right side
    71,685.96x = 4,100,880,539.45
  5. Step 5: Solve for x
    x = 4,100,880,539.45/71,685.96
  6. Step 6: Final answer
    x = 57,206.19

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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.