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Finding the Fourth Proportional to 355,610.85, 533,415.66 and 166,007.67

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Solution

The fourth proportional to 355,610.85, 533,415.66 and 166,007.67 is: 249,011.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,610.85 : 533,415.66 = 166,007.67 : x
  2. Step 2: Convert to fraction form
    355,610.85/533,415.66 = 166,007.67/x
  3. Step 3: Cross multiply
    355,610.85x = 533,415.66 × 166,007.67
  4. Step 4: Simplify right side
    355,610.85x = 88,551,090,858.11
  5. Step 5: Solve for x
    x = 88,551,090,858.11/355,610.85
  6. Step 6: Final answer
    x = 249,011.22

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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.