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Finding the Fourth Proportional to 255,361.29, 382,524.24 and 118,392

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Solution

The fourth proportional to 255,361.29, 382,524.24 and 118,392 is: 177,347.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,361.29 : 382,524.24 = 118,392 : x
  2. Step 2: Convert to fraction form
    255,361.29/382,524.24 = 118,392/x
  3. Step 3: Cross multiply
    255,361.29x = 382,524.24 × 118,392
  4. Step 4: Simplify right side
    255,361.29x = 45,287,809,822.08
  5. Step 5: Solve for x
    x = 45,287,809,822.08/255,361.29
  6. Step 6: Final answer
    x = 177,347.98

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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.