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Finding the Fourth Proportional to 201,128.96, 301,684.20 and 58,968.50

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Solution

The fourth proportional to 201,128.96, 301,684.20 and 58,968.50 is: 88,450.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,128.96 : 301,684.20 = 58,968.50 : x
  2. Step 2: Convert to fraction form
    201,128.96/301,684.20 = 58,968.50/x
  3. Step 3: Cross multiply
    201,128.96x = 301,684.20 × 58,968.50
  4. Step 4: Simplify right side
    201,128.96x = 17,789,863,239.28
  5. Step 5: Solve for x
    x = 17,789,863,239.28/201,128.96
  6. Step 6: Final answer
    x = 88,450.04

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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.