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Finding the Fourth Proportional to 192,174.90, 287,581.95 and 167,486.10

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Solution

The fourth proportional to 192,174.90, 287,581.95 and 167,486.10 is: 250,636.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,174.90 : 287,581.95 = 167,486.10 : x
  2. Step 2: Convert to fraction form
    192,174.90/287,581.95 = 167,486.10/x
  3. Step 3: Cross multiply
    192,174.90x = 287,581.95 × 167,486.10
  4. Step 4: Simplify right side
    192,174.90x = 48,165,979,235.90
  5. Step 5: Solve for x
    x = 48,165,979,235.90/192,174.90
  6. Step 6: Final answer
    x = 250,636.16

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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.