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Finding the Fourth Proportional to 266,045.57, 367,150.63 and 145,194.64

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Solution

The fourth proportional to 266,045.57, 367,150.63 and 145,194.64 is: 200,372.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,045.57 : 367,150.63 = 145,194.64 : x
  2. Step 2: Convert to fraction form
    266,045.57/367,150.63 = 145,194.64/x
  3. Step 3: Cross multiply
    266,045.57x = 367,150.63 × 145,194.64
  4. Step 4: Simplify right side
    266,045.57x = 53,308,301,712.87
  5. Step 5: Solve for x
    x = 53,308,301,712.87/266,045.57
  6. Step 6: Final answer
    x = 200,372.82

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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.