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Finding the Fourth Proportional to 296,690.02, 445,002.36 and 83,464.71

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Solution

The fourth proportional to 296,690.02, 445,002.36 and 83,464.71 is: 125,187.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,690.02 : 445,002.36 = 83,464.71 : x
  2. Step 2: Convert to fraction form
    296,690.02/445,002.36 = 83,464.71/x
  3. Step 3: Cross multiply
    296,690.02x = 445,002.36 × 83,464.71
  4. Step 4: Simplify right side
    296,690.02x = 37,141,992,926.72
  5. Step 5: Solve for x
    x = 37,141,992,926.72/296,690.02
  6. Step 6: Final answer
    x = 125,187.87

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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.