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Finding the Fourth Proportional to 243,135.54, 364,453.83 and 93,335.49

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Solution

The fourth proportional to 243,135.54, 364,453.83 and 93,335.49 is: 139,907.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,135.54 : 364,453.83 = 93,335.49 : x
  2. Step 2: Convert to fraction form
    243,135.54/364,453.83 = 93,335.49/x
  3. Step 3: Cross multiply
    243,135.54x = 364,453.83 × 93,335.49
  4. Step 4: Simplify right side
    243,135.54x = 34,016,476,805.43
  5. Step 5: Solve for x
    x = 34,016,476,805.43/243,135.54
  6. Step 6: Final answer
    x = 139,907.46

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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.