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Finding the Fourth Proportional to 302,667.45, 453,843.53 and 112,971.82

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Solution

The fourth proportional to 302,667.45, 453,843.53 and 112,971.82 is: 169,398.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,667.45 : 453,843.53 = 112,971.82 : x
  2. Step 2: Convert to fraction form
    302,667.45/453,843.53 = 112,971.82/x
  3. Step 3: Cross multiply
    302,667.45x = 453,843.53 × 112,971.82
  4. Step 4: Simplify right side
    302,667.45x = 51,271,529,579.32
  5. Step 5: Solve for x
    x = 51,271,529,579.32/302,667.45
  6. Step 6: Final answer
    x = 169,398.89

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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.