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Finding the Fourth Proportional to 166,868.70, 250,254.45 and 60,240.30

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Solution

The fourth proportional to 166,868.70, 250,254.45 and 60,240.30 is: 90,342.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,868.70 : 250,254.45 = 60,240.30 : x
  2. Step 2: Convert to fraction form
    166,868.70/250,254.45 = 60,240.30/x
  3. Step 3: Cross multiply
    166,868.70x = 250,254.45 × 60,240.30
  4. Step 4: Simplify right side
    166,868.70x = 15,075,403,144.34
  5. Step 5: Solve for x
    x = 15,075,403,144.34/166,868.70
  6. Step 6: Final answer
    x = 90,342.91

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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.