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Finding the Fourth Proportional to 344,235.12, 515,983.52 and 166,497.64

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Solution

The fourth proportional to 344,235.12, 515,983.52 and 166,497.64 is: 249,567.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,235.12 : 515,983.52 = 166,497.64 : x
  2. Step 2: Convert to fraction form
    344,235.12/515,983.52 = 166,497.64/x
  3. Step 3: Cross multiply
    344,235.12x = 515,983.52 × 166,497.64
  4. Step 4: Simplify right side
    344,235.12x = 85,910,038,358.89
  5. Step 5: Solve for x
    x = 85,910,038,358.89/344,235.12
  6. Step 6: Final answer
    x = 249,567.91

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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.