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Finding the Fourth Proportional to 242,804.40, 364,033.80 and 92,986.80

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Solution

The fourth proportional to 242,804.40, 364,033.80 and 92,986.80 is: 139,414.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,804.40 : 364,033.80 = 92,986.80 : x
  2. Step 2: Convert to fraction form
    242,804.40/364,033.80 = 92,986.80/x
  3. Step 3: Cross multiply
    242,804.40x = 364,033.80 × 92,986.80
  4. Step 4: Simplify right side
    242,804.40x = 33,850,338,153.84
  5. Step 5: Solve for x
    x = 33,850,338,153.84/242,804.40
  6. Step 6: Final answer
    x = 139,414.02

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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.