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Finding the Fourth Proportional to 201,453.60, 301,815.90 and 96,040.20

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Solution

The fourth proportional to 201,453.60, 301,815.90 and 96,040.20 is: 143,886.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,453.60 : 301,815.90 = 96,040.20 : x
  2. Step 2: Convert to fraction form
    201,453.60/301,815.90 = 96,040.20/x
  3. Step 3: Cross multiply
    201,453.60x = 301,815.90 × 96,040.20
  4. Step 4: Simplify right side
    201,453.60x = 28,986,459,399.18
  5. Step 5: Solve for x
    x = 28,986,459,399.18/201,453.60
  6. Step 6: Final answer
    x = 143,886.53

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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.