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Finding the Fourth Proportional to 253,692.54, 380,556.54 and 101,889.63

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Solution

The fourth proportional to 253,692.54, 380,556.54 and 101,889.63 is: 152,841.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,692.54 : 380,556.54 = 101,889.63 : x
  2. Step 2: Convert to fraction form
    253,692.54/380,556.54 = 101,889.63/x
  3. Step 3: Cross multiply
    253,692.54x = 380,556.54 × 101,889.63
  4. Step 4: Simplify right side
    253,692.54x = 38,774,765,054.68
  5. Step 5: Solve for x
    x = 38,774,765,054.68/253,692.54
  6. Step 6: Final answer
    x = 152,841.57

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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.