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Finding the Fourth Proportional to 266,183.34, 399,189.33 and 88,642.68

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Solution

The fourth proportional to 266,183.34, 399,189.33 and 88,642.68 is: 132,935.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,183.34 : 399,189.33 = 88,642.68 : x
  2. Step 2: Convert to fraction form
    266,183.34/399,189.33 = 88,642.68/x
  3. Step 3: Cross multiply
    266,183.34x = 399,189.33 × 88,642.68
  4. Step 4: Simplify right side
    266,183.34x = 35,385,212,038.60
  5. Step 5: Solve for x
    x = 35,385,212,038.60/266,183.34
  6. Step 6: Final answer
    x = 132,935.49

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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.