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Finding the Fourth Proportional to 201,648.63, 302,659.65 and 101,879.04

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Solution

The fourth proportional to 201,648.63, 302,659.65 and 101,879.04 is: 152,912.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,648.63 : 302,659.65 = 101,879.04 : x
  2. Step 2: Convert to fraction form
    201,648.63/302,659.65 = 101,879.04/x
  3. Step 3: Cross multiply
    201,648.63x = 302,659.65 × 101,879.04
  4. Step 4: Simplify right side
    201,648.63x = 30,834,674,588.74
  5. Step 5: Solve for x
    x = 30,834,674,588.74/201,648.63
  6. Step 6: Final answer
    x = 152,912.89

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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.