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Finding the Fourth Proportional to 176,432.64, 264,648.54 and 76,579.88

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Solution

The fourth proportional to 176,432.64, 264,648.54 and 76,579.88 is: 114,869.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,432.64 : 264,648.54 = 76,579.88 : x
  2. Step 2: Convert to fraction form
    176,432.64/264,648.54 = 76,579.88/x
  3. Step 3: Cross multiply
    176,432.64x = 264,648.54 × 76,579.88
  4. Step 4: Simplify right side
    176,432.64x = 20,266,753,435.38
  5. Step 5: Solve for x
    x = 20,266,753,435.38/176,432.64
  6. Step 6: Final answer
    x = 114,869.64

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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.