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Finding the Fourth Proportional to 166,347, 249,522.66 and 55,539

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Solution

The fourth proportional to 166,347, 249,522.66 and 55,539 is: 83,309.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,347 : 249,522.66 = 55,539 : x
  2. Step 2: Convert to fraction form
    166,347/249,522.66 = 55,539/x
  3. Step 3: Cross multiply
    166,347x = 249,522.66 × 55,539
  4. Step 4: Simplify right side
    166,347x = 13,858,239,013.74
  5. Step 5: Solve for x
    x = 13,858,239,013.74/166,347
  6. Step 6: Final answer
    x = 83,309.22

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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.