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Finding the Fourth Proportional to 240,626.16, 360,814.77 and 105,634.98

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Solution

The fourth proportional to 240,626.16, 360,814.77 and 105,634.98 is: 158,397.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,626.16 : 360,814.77 = 105,634.98 : x
  2. Step 2: Convert to fraction form
    240,626.16/360,814.77 = 105,634.98/x
  3. Step 3: Cross multiply
    240,626.16x = 360,814.77 × 105,634.98
  4. Step 4: Simplify right side
    240,626.16x = 38,114,661,012.65
  5. Step 5: Solve for x
    x = 38,114,661,012.65/240,626.16
  6. Step 6: Final answer
    x = 158,397.83

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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.