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Finding the Fourth Proportional to 71,468.96, 98,626.64 and 39,204.32

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Solution

The fourth proportional to 71,468.96, 98,626.64 and 39,204.32 is: 54,101.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,468.96 : 98,626.64 = 39,204.32 : x
  2. Step 2: Convert to fraction form
    71,468.96/98,626.64 = 39,204.32/x
  3. Step 3: Cross multiply
    71,468.96x = 98,626.64 × 39,204.32
  4. Step 4: Simplify right side
    71,468.96x = 3,866,590,355.08
  5. Step 5: Solve for x
    x = 3,866,590,355.08/71,468.96
  6. Step 6: Final answer
    x = 54,101.67

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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.