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Finding the Fourth Proportional to 275,930.40, 413,817.84 and 118,330.32

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Solution

The fourth proportional to 275,930.40, 413,817.84 and 118,330.32 is: 177,462.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,930.40 : 413,817.84 = 118,330.32 : x
  2. Step 2: Convert to fraction form
    275,930.40/413,817.84 = 118,330.32/x
  3. Step 3: Cross multiply
    275,930.40x = 413,817.84 × 118,330.32
  4. Step 4: Simplify right side
    275,930.40x = 48,967,197,428.91
  5. Step 5: Solve for x
    x = 48,967,197,428.91/275,930.40
  6. Step 6: Final answer
    x = 177,462.13

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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.