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Finding the Fourth Proportional to 468,045.86, 702,068.79 and 113,059.88

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Solution

The fourth proportional to 468,045.86, 702,068.79 and 113,059.88 is: 169,589.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,045.86 : 702,068.79 = 113,059.88 : x
  2. Step 2: Convert to fraction form
    468,045.86/702,068.79 = 113,059.88/x
  3. Step 3: Cross multiply
    468,045.86x = 702,068.79 × 113,059.88
  4. Step 4: Simplify right side
    468,045.86x = 79,375,813,149.15
  5. Step 5: Solve for x
    x = 79,375,813,149.15/468,045.86
  6. Step 6: Final answer
    x = 169,589.82

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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.