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Finding the Fourth Proportional to 135,474.52, 203,178.96 and 56,545.96

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Solution

The fourth proportional to 135,474.52, 203,178.96 and 56,545.96 is: 84,805.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,474.52 : 203,178.96 = 56,545.96 : x
  2. Step 2: Convert to fraction form
    135,474.52/203,178.96 = 56,545.96/x
  3. Step 3: Cross multiply
    135,474.52x = 203,178.96 × 56,545.96
  4. Step 4: Simplify right side
    135,474.52x = 11,488,949,345.00
  5. Step 5: Solve for x
    x = 11,488,949,345.00/135,474.52
  6. Step 6: Final answer
    x = 84,805.24

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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.