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Finding the Fourth Proportional to 303,908.23, 455,881.80 and 116,919.73

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Solution

The fourth proportional to 303,908.23, 455,881.80 and 116,919.73 is: 175,387.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,908.23 : 455,881.80 = 116,919.73 : x
  2. Step 2: Convert to fraction form
    303,908.23/455,881.80 = 116,919.73/x
  3. Step 3: Cross multiply
    303,908.23x = 455,881.80 × 116,919.73
  4. Step 4: Simplify right side
    303,908.23x = 53,301,576,967.91
  5. Step 5: Solve for x
    x = 53,301,576,967.91/303,908.23
  6. Step 6: Final answer
    x = 175,387.08

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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.