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Finding the Fourth Proportional to 368,687.52, 553,027.64 and 168,951.24

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Solution

The fourth proportional to 368,687.52, 553,027.64 and 168,951.24 is: 253,425.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,687.52 : 553,027.64 = 168,951.24 : x
  2. Step 2: Convert to fraction form
    368,687.52/553,027.64 = 168,951.24/x
  3. Step 3: Cross multiply
    368,687.52x = 553,027.64 × 168,951.24
  4. Step 4: Simplify right side
    368,687.52x = 93,434,704,687.52
  5. Step 5: Solve for x
    x = 93,434,704,687.52/368,687.52
  6. Step 6: Final answer
    x = 253,425.19

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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.