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Finding the Fourth Proportional to 175,485.84, 263,256.29 and 75,674.40

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Solution

The fourth proportional to 175,485.84, 263,256.29 and 75,674.40 is: 113,523.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,485.84 : 263,256.29 = 75,674.40 : x
  2. Step 2: Convert to fraction form
    175,485.84/263,256.29 = 75,674.40/x
  3. Step 3: Cross multiply
    175,485.84x = 263,256.29 × 75,674.40
  4. Step 4: Simplify right side
    175,485.84x = 19,921,761,791.98
  5. Step 5: Solve for x
    x = 19,921,761,791.98/175,485.84
  6. Step 6: Final answer
    x = 113,523.47

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1.5x scale

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.