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Finding the Fourth Proportional to 252,192.76, 378,379.48 and 108,038.11

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Solution

The fourth proportional to 252,192.76, 378,379.48 and 108,038.11 is: 162,095.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,192.76 : 378,379.48 = 108,038.11 : x
  2. Step 2: Convert to fraction form
    252,192.76/378,379.48 = 108,038.11/x
  3. Step 3: Cross multiply
    252,192.76x = 378,379.48 × 108,038.11
  4. Step 4: Simplify right side
    252,192.76x = 40,879,403,881.98
  5. Step 5: Solve for x
    x = 40,879,403,881.98/252,192.76
  6. Step 6: Final answer
    x = 162,095.87

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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.