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Finding the Fourth Proportional to 201,751.60, 302,603.10 and 83,410.60

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Solution

The fourth proportional to 201,751.60, 302,603.10 and 83,410.60 is: 125,105.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,751.60 : 302,603.10 = 83,410.60 : x
  2. Step 2: Convert to fraction form
    201,751.60/302,603.10 = 83,410.60/x
  3. Step 3: Cross multiply
    201,751.60x = 302,603.10 × 83,410.60
  4. Step 4: Simplify right side
    201,751.60x = 25,240,306,132.86
  5. Step 5: Solve for x
    x = 25,240,306,132.86/201,751.60
  6. Step 6: Final answer
    x = 125,105.85

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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.