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Finding the Fourth Proportional to 110,078.30, 165,008.10 and 50,810.60

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Solution

The fourth proportional to 110,078.30, 165,008.10 and 50,810.60 is: 76,165.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,078.30 : 165,008.10 = 50,810.60 : x
  2. Step 2: Convert to fraction form
    110,078.30/165,008.10 = 50,810.60/x
  3. Step 3: Cross multiply
    110,078.30x = 165,008.10 × 50,810.60
  4. Step 4: Simplify right side
    110,078.30x = 8,384,160,565.86
  5. Step 5: Solve for x
    x = 8,384,160,565.86/110,078.30
  6. Step 6: Final answer
    x = 76,165.43

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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.