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Finding the Fourth Proportional to 166,992.73, 249,897.75 and 103,842.55

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Solution

The fourth proportional to 166,992.73, 249,897.75 and 103,842.55 is: 155,396.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,992.73 : 249,897.75 = 103,842.55 : x
  2. Step 2: Convert to fraction form
    166,992.73/249,897.75 = 103,842.55/x
  3. Step 3: Cross multiply
    166,992.73x = 249,897.75 × 103,842.55
  4. Step 4: Simplify right side
    166,992.73x = 25,950,019,599.26
  5. Step 5: Solve for x
    x = 25,950,019,599.26/166,992.73
  6. Step 6: Final answer
    x = 155,396.10

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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.