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Finding the Fourth Proportional to 176,115.48, 264,181.90 and 70,920.28

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Solution

The fourth proportional to 176,115.48, 264,181.90 and 70,920.28 is: 106,383.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,115.48 : 264,181.90 = 70,920.28 : x
  2. Step 2: Convert to fraction form
    176,115.48/264,181.90 = 70,920.28/x
  3. Step 3: Cross multiply
    176,115.48x = 264,181.90 × 70,920.28
  4. Step 4: Simplify right side
    176,115.48x = 18,735,854,318.93
  5. Step 5: Solve for x
    x = 18,735,854,318.93/176,115.48
  6. Step 6: Final answer
    x = 106,383.92

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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.