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Finding the Fourth Proportional to 374,010.46, 561,020.65 and 124,692.54

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Solution

The fourth proportional to 374,010.46, 561,020.65 and 124,692.54 is: 187,040.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,010.46 : 561,020.65 = 124,692.54 : x
  2. Step 2: Convert to fraction form
    374,010.46/561,020.65 = 124,692.54/x
  3. Step 3: Cross multiply
    374,010.46x = 561,020.65 × 124,692.54
  4. Step 4: Simplify right side
    374,010.46x = 69,955,089,840.95
  5. Step 5: Solve for x
    x = 69,955,089,840.95/374,010.46
  6. Step 6: Final answer
    x = 187,040.46

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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.