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Finding the Fourth Proportional to 296,693.42, 445,035.27 and 72,055.70

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Solution

The fourth proportional to 296,693.42, 445,035.27 and 72,055.70 is: 108,082.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,693.42 : 445,035.27 = 72,055.70 : x
  2. Step 2: Convert to fraction form
    296,693.42/445,035.27 = 72,055.70/x
  3. Step 3: Cross multiply
    296,693.42x = 445,035.27 × 72,055.70
  4. Step 4: Simplify right side
    296,693.42x = 32,067,327,904.54
  5. Step 5: Solve for x
    x = 32,067,327,904.54/296,693.42
  6. Step 6: Final answer
    x = 108,082.37

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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.