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Finding the Fourth Proportional to 176,508.21, 264,836.13 and 76,752.31

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Solution

The fourth proportional to 176,508.21, 264,836.13 and 76,752.31 is: 115,160.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,508.21 : 264,836.13 = 76,752.31 : x
  2. Step 2: Convert to fraction form
    176,508.21/264,836.13 = 76,752.31/x
  3. Step 3: Cross multiply
    176,508.21x = 264,836.13 × 76,752.31
  4. Step 4: Simplify right side
    176,508.21x = 20,326,784,727.35
  5. Step 5: Solve for x
    x = 20,326,784,727.35/176,508.21
  6. Step 6: Final answer
    x = 115,160.56

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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.