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Finding the Fourth Proportional to 162,754.65, 243,934.83 and 69,063.57

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Solution

The fourth proportional to 162,754.65, 243,934.83 and 69,063.57 is: 103,511.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,754.65 : 243,934.83 = 69,063.57 : x
  2. Step 2: Convert to fraction form
    162,754.65/243,934.83 = 69,063.57/x
  3. Step 3: Cross multiply
    162,754.65x = 243,934.83 × 69,063.57
  4. Step 4: Simplify right side
    162,754.65x = 16,847,010,207.14
  5. Step 5: Solve for x
    x = 16,847,010,207.14/162,754.65
  6. Step 6: Final answer
    x = 103,511.70

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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.