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Finding the Fourth Proportional to 110,154.80, 165,235.77 and 52,439.51

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Solution

The fourth proportional to 110,154.80, 165,235.77 and 52,439.51 is: 78,660.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,154.80 : 165,235.77 = 52,439.51 : x
  2. Step 2: Convert to fraction form
    110,154.80/165,235.77 = 52,439.51/x
  3. Step 3: Cross multiply
    110,154.80x = 165,235.77 × 52,439.51
  4. Step 4: Simplify right side
    110,154.80x = 8,664,883,226.36
  5. Step 5: Solve for x
    x = 8,664,883,226.36/110,154.80
  6. Step 6: Final answer
    x = 78,660.97

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1.5x scale

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.