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Finding the Fourth Proportional to 166,676.67, 249,963.12 and 55,842.75

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Solution

The fourth proportional to 166,676.67, 249,963.12 and 55,842.75 is: 83,746.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,676.67 : 249,963.12 = 55,842.75 : x
  2. Step 2: Convert to fraction form
    166,676.67/249,963.12 = 55,842.75/x
  3. Step 3: Cross multiply
    166,676.67x = 249,963.12 × 55,842.75
  4. Step 4: Simplify right side
    166,676.67x = 13,958,628,019.38
  5. Step 5: Solve for x
    x = 13,958,628,019.38/166,676.67
  6. Step 6: Final answer
    x = 83,746.74

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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.