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Finding the Fourth Proportional to 270,248.85, 405,381.51 and 92,753.28

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Solution

The fourth proportional to 270,248.85, 405,381.51 and 92,753.28 is: 139,132.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,248.85 : 405,381.51 = 92,753.28 : x
  2. Step 2: Convert to fraction form
    270,248.85/405,381.51 = 92,753.28/x
  3. Step 3: Cross multiply
    270,248.85x = 405,381.51 × 92,753.28
  4. Step 4: Simplify right side
    270,248.85x = 37,600,464,703.85
  5. Step 5: Solve for x
    x = 37,600,464,703.85/270,248.85
  6. Step 6: Final answer
    x = 139,132.75

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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.