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Finding the Fourth Proportional to 355,977.15, 533,673.03 and 166,343.73

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Solution

The fourth proportional to 355,977.15, 533,673.03 and 166,343.73 is: 249,378.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,977.15 : 533,673.03 = 166,343.73 : x
  2. Step 2: Convert to fraction form
    355,977.15/533,673.03 = 166,343.73/x
  3. Step 3: Cross multiply
    355,977.15x = 533,673.03 × 166,343.73
  4. Step 4: Simplify right side
    355,977.15x = 88,773,162,410.60
  5. Step 5: Solve for x
    x = 88,773,162,410.60/355,977.15
  6. Step 6: Final answer
    x = 249,378.82

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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.