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Finding the Fourth Proportional to 243,010.40, 364,515.60 and 183,961.40

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Solution

The fourth proportional to 243,010.40, 364,515.60 and 183,961.40 is: 275,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,010.40 : 364,515.60 = 183,961.40 : x
  2. Step 2: Convert to fraction form
    243,010.40/364,515.60 = 183,961.40/x
  3. Step 3: Cross multiply
    243,010.40x = 364,515.60 × 183,961.40
  4. Step 4: Simplify right side
    243,010.40x = 67,056,800,097.84
  5. Step 5: Solve for x
    x = 67,056,800,097.84/243,010.40
  6. Step 6: Final answer
    x = 275,942.10

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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.