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Finding the Fourth Proportional to 175,551.70, 263,327.55 and 140,559.70

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Solution

The fourth proportional to 175,551.70, 263,327.55 and 140,559.70 is: 210,839.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,551.70 : 263,327.55 = 140,559.70 : x
  2. Step 2: Convert to fraction form
    175,551.70/263,327.55 = 140,559.70/x
  3. Step 3: Cross multiply
    175,551.70x = 263,327.55 × 140,559.70
  4. Step 4: Simplify right side
    175,551.70x = 37,013,241,429.74
  5. Step 5: Solve for x
    x = 37,013,241,429.74/175,551.70
  6. Step 6: Final answer
    x = 210,839.55

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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.