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Finding the Fourth Proportional to 356,729.38, 535,103.81 and 104,003.76

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Solution

The fourth proportional to 356,729.38, 535,103.81 and 104,003.76 is: 156,008.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,729.38 : 535,103.81 = 104,003.76 : x
  2. Step 2: Convert to fraction form
    356,729.38/535,103.81 = 104,003.76/x
  3. Step 3: Cross multiply
    356,729.38x = 535,103.81 × 104,003.76
  4. Step 4: Simplify right side
    356,729.38x = 55,652,807,703.24
  5. Step 5: Solve for x
    x = 55,652,807,703.24/356,729.38
  6. Step 6: Final answer
    x = 156,008.48

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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.