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Finding the Fourth Proportional to 243,649.98, 365,509.26 and 75,183.98

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Solution

The fourth proportional to 243,649.98, 365,509.26 and 75,183.98 is: 112,786.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,649.98 : 365,509.26 = 75,183.98 : x
  2. Step 2: Convert to fraction form
    243,649.98/365,509.26 = 75,183.98/x
  3. Step 3: Cross multiply
    243,649.98x = 365,509.26 × 75,183.98
  4. Step 4: Simplify right side
    243,649.98x = 27,480,439,066.11
  5. Step 5: Solve for x
    x = 27,480,439,066.11/243,649.98
  6. Step 6: Final answer
    x = 112,786.54

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1.5x scale

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.