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Finding the Fourth Proportional to 64,321.74, 88,734.33 and 41,668.29

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Solution

The fourth proportional to 64,321.74, 88,734.33 and 41,668.29 is: 57,483.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,321.74 : 88,734.33 = 41,668.29 : x
  2. Step 2: Convert to fraction form
    64,321.74/88,734.33 = 41,668.29/x
  3. Step 3: Cross multiply
    64,321.74x = 88,734.33 × 41,668.29
  4. Step 4: Simplify right side
    64,321.74x = 3,697,407,795.40
  5. Step 5: Solve for x
    x = 3,697,407,795.40/64,321.74
  6. Step 6: Final answer
    x = 57,483.02

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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.