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Finding the Fourth Proportional to 104,552.37, 144,282.87 and 56,806.11

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Solution

The fourth proportional to 104,552.37, 144,282.87 and 56,806.11 is: 78,392.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,552.37 : 144,282.87 = 56,806.11 : x
  2. Step 2: Convert to fraction form
    104,552.37/144,282.87 = 56,806.11/x
  3. Step 3: Cross multiply
    104,552.37x = 144,282.87 × 56,806.11
  4. Step 4: Simplify right side
    104,552.37x = 8,196,148,584.34
  5. Step 5: Solve for x
    x = 8,196,148,584.34/104,552.37
  6. Step 6: Final answer
    x = 78,392.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.