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Finding the Fourth Proportional to 288,752.01, 432,961.75 and 111,235.92

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Solution

The fourth proportional to 288,752.01, 432,961.75 and 111,235.92 is: 166,789.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,752.01 : 432,961.75 = 111,235.92 : x
  2. Step 2: Convert to fraction form
    288,752.01/432,961.75 = 111,235.92/x
  3. Step 3: Cross multiply
    288,752.01x = 432,961.75 × 111,235.92
  4. Step 4: Simplify right side
    288,752.01x = 48,160,898,586.06
  5. Step 5: Solve for x
    x = 48,160,898,586.06/288,752.01
  6. Step 6: Final answer
    x = 166,789.83

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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.