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Finding the Fourth Proportional to 243,282.33, 335,728.94 and 135,852.44

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Solution

The fourth proportional to 243,282.33, 335,728.94 and 135,852.44 is: 187,475.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,282.33 : 335,728.94 = 135,852.44 : x
  2. Step 2: Convert to fraction form
    243,282.33/335,728.94 = 135,852.44/x
  3. Step 3: Cross multiply
    243,282.33x = 335,728.94 × 135,852.44
  4. Step 4: Simplify right side
    243,282.33x = 45,609,593,319.71
  5. Step 5: Solve for x
    x = 45,609,593,319.71/243,282.33
  6. Step 6: Final answer
    x = 187,475.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.