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Finding the Fourth Proportional to 270,252.84, 405,387.50 and 92,757.32

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Solution

The fourth proportional to 270,252.84, 405,387.50 and 92,757.32 is: 139,138.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,252.84 : 405,387.50 = 92,757.32 : x
  2. Step 2: Convert to fraction form
    270,252.84/405,387.50 = 92,757.32/x
  3. Step 3: Cross multiply
    270,252.84x = 405,387.50 × 92,757.32
  4. Step 4: Simplify right side
    270,252.84x = 37,602,658,061.50
  5. Step 5: Solve for x
    x = 37,602,658,061.50/270,252.84
  6. Step 6: Final answer
    x = 139,138.81

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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.