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Finding the Fourth Proportional to 235,907.61, 352,151.03 and 218,346.68

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Solution

The fourth proportional to 235,907.61, 352,151.03 and 218,346.68 is: 325,936.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,907.61 : 352,151.03 = 218,346.68 : x
  2. Step 2: Convert to fraction form
    235,907.61/352,151.03 = 218,346.68/x
  3. Step 3: Cross multiply
    235,907.61x = 352,151.03 × 218,346.68
  4. Step 4: Simplify right side
    235,907.61x = 76,891,005,406.59
  5. Step 5: Solve for x
    x = 76,891,005,406.59/235,907.61
  6. Step 6: Final answer
    x = 325,936.94

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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.