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Finding the Fourth Proportional to 180,223.20, 248,706.72 and 99,650.88

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Solution

The fourth proportional to 180,223.20, 248,706.72 and 99,650.88 is: 137,517.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,223.20 : 248,706.72 = 99,650.88 : x
  2. Step 2: Convert to fraction form
    180,223.20/248,706.72 = 99,650.88/x
  3. Step 3: Cross multiply
    180,223.20x = 248,706.72 × 99,650.88
  4. Step 4: Simplify right side
    180,223.20x = 24,783,843,509.91
  5. Step 5: Solve for x
    x = 24,783,843,509.91/180,223.20
  6. Step 6: Final answer
    x = 137,517.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.