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Finding the Fourth Proportional to 239,062.32, 359,205.48 and 180,450

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Solution

The fourth proportional to 239,062.32, 359,205.48 and 180,450 is: 271,136.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,062.32 : 359,205.48 = 180,450 : x
  2. Step 2: Convert to fraction form
    239,062.32/359,205.48 = 180,450/x
  3. Step 3: Cross multiply
    239,062.32x = 359,205.48 × 180,450
  4. Step 4: Simplify right side
    239,062.32x = 64,818,628,866
  5. Step 5: Solve for x
    x = 64,818,628,866/239,062.32
  6. Step 6: Final answer
    x = 271,136.95

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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.