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Finding the Fourth Proportional to 364,905.69, 547,410.92 and 112,207.43

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Solution

The fourth proportional to 364,905.69, 547,410.92 and 112,207.43 is: 168,327.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,905.69 : 547,410.92 = 112,207.43 : x
  2. Step 2: Convert to fraction form
    364,905.69/547,410.92 = 112,207.43/x
  3. Step 3: Cross multiply
    364,905.69x = 547,410.92 × 112,207.43
  4. Step 4: Simplify right side
    364,905.69x = 61,423,569,189.04
  5. Step 5: Solve for x
    x = 61,423,569,189.04/364,905.69
  6. Step 6: Final answer
    x = 168,327.24

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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.