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Finding the Fourth Proportional to 201,130.97, 301,735.35 and 76,462.25

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Solution

The fourth proportional to 201,130.97, 301,735.35 and 76,462.25 is: 114,708.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,130.97 : 301,735.35 = 76,462.25 : x
  2. Step 2: Convert to fraction form
    201,130.97/301,735.35 = 76,462.25/x
  3. Step 3: Cross multiply
    201,130.97x = 301,735.35 × 76,462.25
  4. Step 4: Simplify right side
    201,130.97x = 23,071,363,765.54
  5. Step 5: Solve for x
    x = 23,071,363,765.54/201,130.97
  6. Step 6: Final answer
    x = 114,708.16

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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.