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Finding the Fourth Proportional to 166,656.96, 249,985.40 and 41,997.96

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Solution

The fourth proportional to 166,656.96, 249,985.40 and 41,997.96 is: 62,996.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,656.96 : 249,985.40 = 41,997.96 : x
  2. Step 2: Convert to fraction form
    166,656.96/249,985.40 = 41,997.96/x
  3. Step 3: Cross multiply
    166,656.96x = 249,985.40 × 41,997.96
  4. Step 4: Simplify right side
    166,656.96x = 10,498,876,619.79
  5. Step 5: Solve for x
    x = 10,498,876,619.79/166,656.96
  6. Step 6: Final answer
    x = 62,996.93

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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.