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Finding the Fourth Proportional to 115,744.55, 173,633.46 and 35,788.76

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Solution

The fourth proportional to 115,744.55, 173,633.46 and 35,788.76 is: 53,688.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,744.55 : 173,633.46 = 35,788.76 : x
  2. Step 2: Convert to fraction form
    115,744.55/173,633.46 = 35,788.76/x
  3. Step 3: Cross multiply
    115,744.55x = 173,633.46 × 35,788.76
  4. Step 4: Simplify right side
    115,744.55x = 6,214,125,359.74
  5. Step 5: Solve for x
    x = 6,214,125,359.74/115,744.55
  6. Step 6: Final answer
    x = 53,688.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.