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Finding the Fourth Proportional to 87,597.96, 120,894.66 and 53,629.29

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Solution

The fourth proportional to 87,597.96, 120,894.66 and 53,629.29 is: 74,014.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,597.96 : 120,894.66 = 53,629.29 : x
  2. Step 2: Convert to fraction form
    87,597.96/120,894.66 = 53,629.29/x
  3. Step 3: Cross multiply
    87,597.96x = 120,894.66 × 53,629.29
  4. Step 4: Simplify right side
    87,597.96x = 6,483,494,780.59
  5. Step 5: Solve for x
    x = 6,483,494,780.59/87,597.96
  6. Step 6: Final answer
    x = 74,014.22

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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.