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Finding the Fourth Proportional to 240,806.16, 361,431 and 122,562

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Solution

The fourth proportional to 240,806.16, 361,431 and 122,562 is: 183,955.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,806.16 : 361,431 = 122,562 : x
  2. Step 2: Convert to fraction form
    240,806.16/361,431 = 122,562/x
  3. Step 3: Cross multiply
    240,806.16x = 361,431 × 122,562
  4. Step 4: Simplify right side
    240,806.16x = 44,297,706,222
  5. Step 5: Solve for x
    x = 44,297,706,222/240,806.16
  6. Step 6: Final answer
    x = 183,955.87

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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.