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Finding the Fourth Proportional to 301,290.48, 451,917.12 and 123,792.92

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Solution

The fourth proportional to 301,290.48, 451,917.12 and 123,792.92 is: 185,681.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,290.48 : 451,917.12 = 123,792.92 : x
  2. Step 2: Convert to fraction form
    301,290.48/451,917.12 = 123,792.92/x
  3. Step 3: Cross multiply
    301,290.48x = 451,917.12 × 123,792.92
  4. Step 4: Simplify right side
    301,290.48x = 55,944,139,882.79
  5. Step 5: Solve for x
    x = 55,944,139,882.79/301,290.48
  6. Step 6: Final answer
    x = 185,681.74

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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.