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Finding the Fourth Proportional to 332,907.84, 499,258.08 and 111,240

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Solution

The fourth proportional to 332,907.84, 499,258.08 and 111,240 is: 166,825.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,907.84 : 499,258.08 = 111,240 : x
  2. Step 2: Convert to fraction form
    332,907.84/499,258.08 = 111,240/x
  3. Step 3: Cross multiply
    332,907.84x = 499,258.08 × 111,240
  4. Step 4: Simplify right side
    332,907.84x = 55,537,468,819.20
  5. Step 5: Solve for x
    x = 55,537,468,819.20/332,907.84
  6. Step 6: Final answer
    x = 166,825.36

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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.