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Finding the Fourth Proportional to 176,166.93, 264,290.76 and 76,343.88

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Solution

The fourth proportional to 176,166.93, 264,290.76 and 76,343.88 is: 114,533.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,166.93 : 264,290.76 = 76,343.88 : x
  2. Step 2: Convert to fraction form
    176,166.93/264,290.76 = 76,343.88/x
  3. Step 3: Cross multiply
    176,166.93x = 264,290.76 × 76,343.88
  4. Step 4: Simplify right side
    176,166.93x = 20,176,982,066.55
  5. Step 5: Solve for x
    x = 20,176,982,066.55/176,166.93
  6. Step 6: Final answer
    x = 114,533.31

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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.