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Finding the Fourth Proportional to 166,652.70, 249,687.42 and 138,752.04

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Solution

The fourth proportional to 166,652.70, 249,687.42 and 138,752.04 is: 207,885.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,652.70 : 249,687.42 = 138,752.04 : x
  2. Step 2: Convert to fraction form
    166,652.70/249,687.42 = 138,752.04/x
  3. Step 3: Cross multiply
    166,652.70x = 249,687.42 × 138,752.04
  4. Step 4: Simplify right side
    166,652.70x = 34,644,638,887.34
  5. Step 5: Solve for x
    x = 34,644,638,887.34/166,652.70
  6. Step 6: Final answer
    x = 207,885.25

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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.