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Finding the Fourth Proportional to 295,788.72, 408,261 and 168,539.52

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Solution

The fourth proportional to 295,788.72, 408,261 and 168,539.52 is: 232,625.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,788.72 : 408,261 = 168,539.52 : x
  2. Step 2: Convert to fraction form
    295,788.72/408,261 = 168,539.52/x
  3. Step 3: Cross multiply
    295,788.72x = 408,261 × 168,539.52
  4. Step 4: Simplify right side
    295,788.72x = 68,808,112,974.72
  5. Step 5: Solve for x
    x = 68,808,112,974.72/295,788.72
  6. Step 6: Final answer
    x = 232,625.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.