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Finding the Fourth Proportional to 243,124.44, 364,698 and 74,637.96

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Solution

The fourth proportional to 243,124.44, 364,698 and 74,637.96 is: 111,960.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,124.44 : 364,698 = 74,637.96 : x
  2. Step 2: Convert to fraction form
    243,124.44/364,698 = 74,637.96/x
  3. Step 3: Cross multiply
    243,124.44x = 364,698 × 74,637.96
  4. Step 4: Simplify right side
    243,124.44x = 27,220,314,736.08
  5. Step 5: Solve for x
    x = 27,220,314,736.08/243,124.44
  6. Step 6: Final answer
    x = 111,960.42

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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.