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Finding the Fourth Proportional to 201,145.60, 301,758.90 and 58,990.60

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Solution

The fourth proportional to 201,145.60, 301,758.90 and 58,990.60 is: 88,497.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,145.60 : 301,758.90 = 58,990.60 : x
  2. Step 2: Convert to fraction form
    201,145.60/301,758.90 = 58,990.60/x
  3. Step 3: Cross multiply
    201,145.60x = 301,758.90 × 58,990.60
  4. Step 4: Simplify right side
    201,145.60x = 17,800,938,566.34
  5. Step 5: Solve for x
    x = 17,800,938,566.34/201,145.60
  6. Step 6: Final answer
    x = 88,497.78

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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.