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Finding the Fourth Proportional to 295,777.55, 443,741.13 and 82,545.42

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Solution

The fourth proportional to 295,777.55, 443,741.13 and 82,545.42 is: 123,839.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,777.55 : 443,741.13 = 82,545.42 : x
  2. Step 2: Convert to fraction form
    295,777.55/443,741.13 = 82,545.42/x
  3. Step 3: Cross multiply
    295,777.55x = 443,741.13 × 82,545.42
  4. Step 4: Simplify right side
    295,777.55x = 36,628,797,534.40
  5. Step 5: Solve for x
    x = 36,628,797,534.40/295,777.55
  6. Step 6: Final answer
    x = 123,839.01

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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.