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Finding the Fourth Proportional to 144,247.77, 216,396.36 and 44,406

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Solution

The fourth proportional to 144,247.77, 216,396.36 and 44,406 is: 66,616.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,247.77 : 216,396.36 = 44,406 : x
  2. Step 2: Convert to fraction form
    144,247.77/216,396.36 = 44,406/x
  3. Step 3: Cross multiply
    144,247.77x = 216,396.36 × 44,406
  4. Step 4: Simplify right side
    144,247.77x = 9,609,296,762.16
  5. Step 5: Solve for x
    x = 9,609,296,762.16/144,247.77
  6. Step 6: Final answer
    x = 66,616.61

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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.