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Finding the Fourth Proportional to 176,172.93, 264,299.76 and 76,349.88

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Solution

The fourth proportional to 176,172.93, 264,299.76 and 76,349.88 is: 114,542.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,172.93 : 264,299.76 = 76,349.88 : x
  2. Step 2: Convert to fraction form
    176,172.93/264,299.76 = 76,349.88/x
  3. Step 3: Cross multiply
    176,172.93x = 264,299.76 × 76,349.88
  4. Step 4: Simplify right side
    176,172.93x = 20,179,254,960.03
  5. Step 5: Solve for x
    x = 20,179,254,960.03/176,172.93
  6. Step 6: Final answer
    x = 114,542.31

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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.