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Finding the Fourth Proportional to 374,461.52, 561,692.28 and 125,143.52

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Solution

The fourth proportional to 374,461.52, 561,692.28 and 125,143.52 is: 187,715.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,461.52 : 561,692.28 = 125,143.52 : x
  2. Step 2: Convert to fraction form
    374,461.52/561,692.28 = 125,143.52/x
  3. Step 3: Cross multiply
    374,461.52x = 561,692.28 × 125,143.52
  4. Step 4: Simplify right side
    374,461.52x = 70,292,149,076.03
  5. Step 5: Solve for x
    x = 70,292,149,076.03/374,461.52
  6. Step 6: Final answer
    x = 187,715.28

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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.