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Finding the Fourth Proportional to 356,714.10, 535,151.34 and 120,049.92

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Solution

The fourth proportional to 356,714.10, 535,151.34 and 120,049.92 is: 180,101.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,714.10 : 535,151.34 = 120,049.92 : x
  2. Step 2: Convert to fraction form
    356,714.10/535,151.34 = 120,049.92/x
  3. Step 3: Cross multiply
    356,714.10x = 535,151.34 × 120,049.92
  4. Step 4: Simplify right side
    356,714.10x = 64,244,875,554.89
  5. Step 5: Solve for x
    x = 64,244,875,554.89/356,714.10
  6. Step 6: Final answer
    x = 180,101.87

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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.