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Finding the Fourth Proportional to 201,648.98, 302,660.58 and 101,879.25

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Solution

The fourth proportional to 201,648.98, 302,660.58 and 101,879.25 is: 152,913.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,648.98 : 302,660.58 = 101,879.25 : x
  2. Step 2: Convert to fraction form
    201,648.98/302,660.58 = 101,879.25/x
  3. Step 3: Cross multiply
    201,648.98x = 302,660.58 × 101,879.25
  4. Step 4: Simplify right side
    201,648.98x = 30,834,832,894.97
  5. Step 5: Solve for x
    x = 30,834,832,894.97/201,648.98
  6. Step 6: Final answer
    x = 152,913.41

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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.