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Finding the Fourth Proportional to 110,713.60, 165,900.30 and 82,501.30

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Solution

The fourth proportional to 110,713.60, 165,900.30 and 82,501.30 is: 123,625.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,713.60 : 165,900.30 = 82,501.30 : x
  2. Step 2: Convert to fraction form
    110,713.60/165,900.30 = 82,501.30/x
  3. Step 3: Cross multiply
    110,713.60x = 165,900.30 × 82,501.30
  4. Step 4: Simplify right side
    110,713.60x = 13,686,990,420.39
  5. Step 5: Solve for x
    x = 13,686,990,420.39/110,713.60
  6. Step 6: Final answer
    x = 123,625.20

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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.