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Finding the Fourth Proportional to 166,686.66, 249,944.94 and 54,294.57

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Solution

The fourth proportional to 166,686.66, 249,944.94 and 54,294.57 is: 81,414.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,686.66 : 249,944.94 = 54,294.57 : x
  2. Step 2: Convert to fraction form
    166,686.66/249,944.94 = 54,294.57/x
  3. Step 3: Cross multiply
    166,686.66x = 249,944.94 × 54,294.57
  4. Step 4: Simplify right side
    166,686.66x = 13,570,653,040.98
  5. Step 5: Solve for x
    x = 13,570,653,040.98/166,686.66
  6. Step 6: Final answer
    x = 81,414.15

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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.