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Finding the Fourth Proportional to 235,894.68, 352,129.02 and 218,331.25

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Solution

The fourth proportional to 235,894.68, 352,129.02 and 218,331.25 is: 325,911.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,894.68 : 352,129.02 = 218,331.25 : x
  2. Step 2: Convert to fraction form
    235,894.68/352,129.02 = 218,331.25/x
  3. Step 3: Cross multiply
    235,894.68x = 352,129.02 × 218,331.25
  4. Step 4: Simplify right side
    235,894.68x = 76,880,768,626.92
  5. Step 5: Solve for x
    x = 76,880,768,626.92/235,894.68
  6. Step 6: Final answer
    x = 325,911.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.