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Finding the Fourth Proportional to 188,452.35, 282,692.37 and 70,123.68

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Solution

The fourth proportional to 188,452.35, 282,692.37 and 70,123.68 is: 105,190.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,452.35 : 282,692.37 = 70,123.68 : x
  2. Step 2: Convert to fraction form
    188,452.35/282,692.37 = 70,123.68/x
  3. Step 3: Cross multiply
    188,452.35x = 282,692.37 × 70,123.68
  4. Step 4: Simplify right side
    188,452.35x = 19,823,429,292.32
  5. Step 5: Solve for x
    x = 19,823,429,292.32/188,452.35
  6. Step 6: Final answer
    x = 105,190.67

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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.