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Finding the Fourth Proportional to 110,644.52, 166,065.88 and 57,374.67

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Solution

The fourth proportional to 110,644.52, 166,065.88 and 57,374.67 is: 86,113.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,644.52 : 166,065.88 = 57,374.67 : x
  2. Step 2: Convert to fraction form
    110,644.52/166,065.88 = 57,374.67/x
  3. Step 3: Cross multiply
    110,644.52x = 166,065.88 × 57,374.67
  4. Step 4: Simplify right side
    110,644.52x = 9,527,975,063.26
  5. Step 5: Solve for x
    x = 9,527,975,063.26/110,644.52
  6. Step 6: Final answer
    x = 86,113.39

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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.