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Finding the Fourth Proportional to 233,984.57, 351,039.08 and 74,063.57

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Solution

The fourth proportional to 233,984.57, 351,039.08 and 74,063.57 is: 111,115.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,984.57 : 351,039.08 = 74,063.57 : x
  2. Step 2: Convert to fraction form
    233,984.57/351,039.08 = 74,063.57/x
  3. Step 3: Cross multiply
    233,984.57x = 351,039.08 × 74,063.57
  4. Step 4: Simplify right side
    233,984.57x = 25,999,205,904.28
  5. Step 5: Solve for x
    x = 25,999,205,904.28/233,984.57
  6. Step 6: Final answer
    x = 111,115.05

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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.