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Finding the Fourth Proportional to 357,992.17, 536,633.52 and 168,112.63

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Solution

The fourth proportional to 357,992.17, 536,633.52 and 168,112.63 is: 252,002.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,992.17 : 536,633.52 = 168,112.63 : x
  2. Step 2: Convert to fraction form
    357,992.17/536,633.52 = 168,112.63/x
  3. Step 3: Cross multiply
    357,992.17x = 536,633.52 × 168,112.63
  4. Step 4: Simplify right side
    357,992.17x = 90,214,873,379.36
  5. Step 5: Solve for x
    x = 90,214,873,379.36/357,992.17
  6. Step 6: Final answer
    x = 252,002.36

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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.