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Finding the Fourth Proportional to 166,897.80, 250,343.90 and 40,539.06

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Solution

The fourth proportional to 166,897.80, 250,343.90 and 40,539.06 is: 60,807.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,897.80 : 250,343.90 = 40,539.06 : x
  2. Step 2: Convert to fraction form
    166,897.80/250,343.90 = 40,539.06/x
  3. Step 3: Cross multiply
    166,897.80x = 250,343.90 × 40,539.06
  4. Step 4: Simplify right side
    166,897.80x = 10,148,706,382.73
  5. Step 5: Solve for x
    x = 10,148,706,382.73/166,897.80
  6. Step 6: Final answer
    x = 60,807.91

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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.