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Finding the Fourth Proportional to 243,805.67, 365,617.56 and 83,836.36

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Solution

The fourth proportional to 243,805.67, 365,617.56 and 83,836.36 is: 125,723.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,805.67 : 365,617.56 = 83,836.36 : x
  2. Step 2: Convert to fraction form
    243,805.67/365,617.56 = 83,836.36/x
  3. Step 3: Cross multiply
    243,805.67x = 365,617.56 × 83,836.36
  4. Step 4: Simplify right side
    243,805.67x = 30,652,044,468.44
  5. Step 5: Solve for x
    x = 30,652,044,468.44/243,805.67
  6. Step 6: Final answer
    x = 125,723.26

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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.