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Finding the Fourth Proportional to 304,663.56, 457,104.69 and 136,169.79

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Solution

The fourth proportional to 304,663.56, 457,104.69 and 136,169.79 is: 204,303.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,663.56 : 457,104.69 = 136,169.79 : x
  2. Step 2: Convert to fraction form
    304,663.56/457,104.69 = 136,169.79/x
  3. Step 3: Cross multiply
    304,663.56x = 457,104.69 × 136,169.79
  4. Step 4: Simplify right side
    304,663.56x = 62,243,849,645.32
  5. Step 5: Solve for x
    x = 62,243,849,645.32/304,663.56
  6. Step 6: Final answer
    x = 204,303.56

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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.