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Finding the Fourth Proportional to 355,804.25, 533,771.17 and 168,814.13

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Solution

The fourth proportional to 355,804.25, 533,771.17 and 168,814.13 is: 253,251.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,804.25 : 533,771.17 = 168,814.13 : x
  2. Step 2: Convert to fraction form
    355,804.25/533,771.17 = 168,814.13/x
  3. Step 3: Cross multiply
    355,804.25x = 533,771.17 × 168,814.13
  4. Step 4: Simplify right side
    355,804.25x = 90,108,112,591.74
  5. Step 5: Solve for x
    x = 90,108,112,591.74/355,804.25
  6. Step 6: Final answer
    x = 253,251.93

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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.