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Finding the Fourth Proportional to 176,070.43, 264,010.07 and 79,954.87

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Solution

The fourth proportional to 176,070.43, 264,010.07 and 79,954.87 is: 119,888.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,070.43 : 264,010.07 = 79,954.87 : x
  2. Step 2: Convert to fraction form
    176,070.43/264,010.07 = 79,954.87/x
  3. Step 3: Cross multiply
    176,070.43x = 264,010.07 × 79,954.87
  4. Step 4: Simplify right side
    176,070.43x = 21,108,890,825.54
  5. Step 5: Solve for x
    x = 21,108,890,825.54/176,070.43
  6. Step 6: Final answer
    x = 119,888.90

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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.