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Finding the Fourth Proportional to 181,200.48, 250,048.20 and 100,633.20

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Solution

The fourth proportional to 181,200.48, 250,048.20 and 100,633.20 is: 138,869.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,200.48 : 250,048.20 = 100,633.20 : x
  2. Step 2: Convert to fraction form
    181,200.48/250,048.20 = 100,633.20/x
  3. Step 3: Cross multiply
    181,200.48x = 250,048.20 × 100,633.20
  4. Step 4: Simplify right side
    181,200.48x = 25,163,150,520.24
  5. Step 5: Solve for x
    x = 25,163,150,520.24/181,200.48
  6. Step 6: Final answer
    x = 138,869.12

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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.