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Finding the Fourth Proportional to 166,473.77, 249,734.34 and 54,117.86

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Solution

The fourth proportional to 166,473.77, 249,734.34 and 54,117.86 is: 81,184.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,473.77 : 249,734.34 = 54,117.86 : x
  2. Step 2: Convert to fraction form
    166,473.77/249,734.34 = 54,117.86/x
  3. Step 3: Cross multiply
    166,473.77x = 249,734.34 × 54,117.86
  4. Step 4: Simplify right side
    166,473.77x = 13,515,086,800.64
  5. Step 5: Solve for x
    x = 13,515,086,800.64/166,473.77
  6. Step 6: Final answer
    x = 81,184.48

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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.