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Finding the Fourth Proportional to 166,871.99, 250,133.01 and 78,050.63

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Solution

The fourth proportional to 166,871.99, 250,133.01 and 78,050.63 is: 116,994.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,871.99 : 250,133.01 = 78,050.63 : x
  2. Step 2: Convert to fraction form
    166,871.99/250,133.01 = 78,050.63/x
  3. Step 3: Cross multiply
    166,871.99x = 250,133.01 × 78,050.63
  4. Step 4: Simplify right side
    166,871.99x = 19,523,037,763.63
  5. Step 5: Solve for x
    x = 19,523,037,763.63/166,871.99
  6. Step 6: Final answer
    x = 116,994.10

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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.