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Finding the Fourth Proportional to 110,628.30, 165,920.85 and 36,756.30

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Solution

The fourth proportional to 110,628.30, 165,920.85 and 36,756.30 is: 55,127.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,628.30 : 165,920.85 = 36,756.30 : x
  2. Step 2: Convert to fraction form
    110,628.30/165,920.85 = 36,756.30/x
  3. Step 3: Cross multiply
    110,628.30x = 165,920.85 × 36,756.30
  4. Step 4: Simplify right side
    110,628.30x = 6,098,636,538.86
  5. Step 5: Solve for x
    x = 6,098,636,538.86/110,628.30
  6. Step 6: Final answer
    x = 55,127.27

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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.