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Finding the Fourth Proportional to 110,063.60, 165,039.96 and 53,907.92

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Solution

The fourth proportional to 110,063.60, 165,039.96 and 53,907.92 is: 80,834.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,063.60 : 165,039.96 = 53,907.92 : x
  2. Step 2: Convert to fraction form
    110,063.60/165,039.96 = 53,907.92/x
  3. Step 3: Cross multiply
    110,063.60x = 165,039.96 × 53,907.92
  4. Step 4: Simplify right side
    110,063.60x = 8,896,960,960.48
  5. Step 5: Solve for x
    x = 8,896,960,960.48/110,063.60
  6. Step 6: Final answer
    x = 80,834.73

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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.