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Finding the Fourth Proportional to 355,959.90, 533,647.17 and 166,326.48

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Solution

The fourth proportional to 355,959.90, 533,647.17 and 166,326.48 is: 249,352.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,959.90 : 533,647.17 = 166,326.48 : x
  2. Step 2: Convert to fraction form
    355,959.90/533,647.17 = 166,326.48/x
  3. Step 3: Cross multiply
    355,959.90x = 533,647.17 × 166,326.48
  4. Step 4: Simplify right side
    355,959.90x = 88,759,655,348.06
  5. Step 5: Solve for x
    x = 88,759,655,348.06/355,959.90
  6. Step 6: Final answer
    x = 249,352.96

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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.