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Finding the Fourth Proportional to 374,013, 561,048.84 and 124,695

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Solution

The fourth proportional to 374,013, 561,048.84 and 124,695 is: 187,052.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,013 : 561,048.84 = 124,695 : x
  2. Step 2: Convert to fraction form
    374,013/561,048.84 = 124,695/x
  3. Step 3: Cross multiply
    374,013x = 561,048.84 × 124,695
  4. Step 4: Simplify right side
    374,013x = 69,959,985,103.80
  5. Step 5: Solve for x
    x = 69,959,985,103.80/374,013
  6. Step 6: Final answer
    x = 187,052.28

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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.