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Finding the Fourth Proportional to 176,089.96, 264,125.21 and 128,753.56

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Solution

The fourth proportional to 176,089.96, 264,125.21 and 128,753.56 is: 193,123.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,089.96 : 264,125.21 = 128,753.56 : x
  2. Step 2: Convert to fraction form
    176,089.96/264,125.21 = 128,753.56/x
  3. Step 3: Cross multiply
    176,089.96x = 264,125.21 × 128,753.56
  4. Step 4: Simplify right side
    176,089.96x = 34,007,060,734.82
  5. Step 5: Solve for x
    x = 34,007,060,734.82/176,089.96
  6. Step 6: Final answer
    x = 193,123.23

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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.