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Finding the Fourth Proportional to 74,344.35, 111,457.53 and 36,894.37

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Solution

The fourth proportional to 74,344.35, 111,457.53 and 36,894.37 is: 55,312.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,344.35 : 111,457.53 = 36,894.37 : x
  2. Step 2: Convert to fraction form
    74,344.35/111,457.53 = 36,894.37/x
  3. Step 3: Cross multiply
    74,344.35x = 111,457.53 × 36,894.37
  4. Step 4: Simplify right side
    74,344.35x = 4,112,155,351.11
  5. Step 5: Solve for x
    x = 4,112,155,351.11/74,344.35
  6. Step 6: Final answer
    x = 55,312.28

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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.