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Finding the Fourth Proportional to 176,330.86, 264,412.90 and 68,310.82

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Solution

The fourth proportional to 176,330.86, 264,412.90 and 68,310.82 is: 102,433.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,330.86 : 264,412.90 = 68,310.82 : x
  2. Step 2: Convert to fraction form
    176,330.86/264,412.90 = 68,310.82/x
  3. Step 3: Cross multiply
    176,330.86x = 264,412.90 × 68,310.82
  4. Step 4: Simplify right side
    176,330.86x = 18,062,262,017.58
  5. Step 5: Solve for x
    x = 18,062,262,017.58/176,330.86
  6. Step 6: Final answer
    x = 102,433.92

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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.