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Finding the Fourth Proportional to 176,579.80, 264,869.70 and 100,472.20

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Solution

The fourth proportional to 176,579.80, 264,869.70 and 100,472.20 is: 150,708.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,579.80 : 264,869.70 = 100,472.20 : x
  2. Step 2: Convert to fraction form
    176,579.80/264,869.70 = 100,472.20/x
  3. Step 3: Cross multiply
    176,579.80x = 264,869.70 × 100,472.20
  4. Step 4: Simplify right side
    176,579.80x = 26,612,041,472.34
  5. Step 5: Solve for x
    x = 26,612,041,472.34/176,579.80
  6. Step 6: Final answer
    x = 150,708.30

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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.