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Finding the Fourth Proportional to 278,166.40, 383,869.84 and 150,841.96

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Solution

The fourth proportional to 278,166.40, 383,869.84 and 150,841.96 is: 208,162.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,166.40 : 383,869.84 = 150,841.96 : x
  2. Step 2: Convert to fraction form
    278,166.40/383,869.84 = 150,841.96/x
  3. Step 3: Cross multiply
    278,166.40x = 383,869.84 × 150,841.96
  4. Step 4: Simplify right side
    278,166.40x = 57,903,679,427.59
  5. Step 5: Solve for x
    x = 57,903,679,427.59/278,166.40
  6. Step 6: Final answer
    x = 208,162.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.