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Finding the Fourth Proportional to 356,713.02, 535,151.88 and 120,049.92

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Solution

The fourth proportional to 356,713.02, 535,151.88 and 120,049.92 is: 180,102.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,713.02 : 535,151.88 = 120,049.92 : x
  2. Step 2: Convert to fraction form
    356,713.02/535,151.88 = 120,049.92/x
  3. Step 3: Cross multiply
    356,713.02x = 535,151.88 × 120,049.92
  4. Step 4: Simplify right side
    356,713.02x = 64,244,940,381.85
  5. Step 5: Solve for x
    x = 64,244,940,381.85/356,713.02
  6. Step 6: Final answer
    x = 180,102.59

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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.