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Finding the Fourth Proportional to 243,426, 365,185.08 and 112,098

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Solution

The fourth proportional to 243,426, 365,185.08 and 112,098 is: 168,168.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,426 : 365,185.08 = 112,098 : x
  2. Step 2: Convert to fraction form
    243,426/365,185.08 = 112,098/x
  3. Step 3: Cross multiply
    243,426x = 365,185.08 × 112,098
  4. Step 4: Simplify right side
    243,426x = 40,936,517,097.84
  5. Step 5: Solve for x
    x = 40,936,517,097.84/243,426
  6. Step 6: Final answer
    x = 168,168.22

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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.