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Finding the Fourth Proportional to 176,527.50, 264,763.32 and 76,660.89

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Solution

The fourth proportional to 176,527.50, 264,763.32 and 76,660.89 is: 114,979.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,527.50 : 264,763.32 = 76,660.89 : x
  2. Step 2: Convert to fraction form
    176,527.50/264,763.32 = 76,660.89/x
  3. Step 3: Cross multiply
    176,527.50x = 264,763.32 × 76,660.89
  4. Step 4: Simplify right side
    176,527.50x = 20,296,991,750.55
  5. Step 5: Solve for x
    x = 20,296,991,750.55/176,527.50
  6. Step 6: Final answer
    x = 114,979.21

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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.