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Finding the Fourth Proportional to 166,563.68, 249,871.36 and 54,217.48

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Solution

The fourth proportional to 166,563.68, 249,871.36 and 54,217.48 is: 81,334.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,563.68 : 249,871.36 = 54,217.48 : x
  2. Step 2: Convert to fraction form
    166,563.68/249,871.36 = 54,217.48/x
  3. Step 3: Cross multiply
    166,563.68x = 249,871.36 × 54,217.48
  4. Step 4: Simplify right side
    166,563.68x = 13,547,395,463.37
  5. Step 5: Solve for x
    x = 13,547,395,463.37/166,563.68
  6. Step 6: Final answer
    x = 81,334.63

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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.