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Finding the Fourth Proportional to 110,064.69, 165,206.39 and 50,913.63

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Solution

The fourth proportional to 110,064.69, 165,206.39 and 50,913.63 is: 76,421.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,064.69 : 165,206.39 = 50,913.63 : x
  2. Step 2: Convert to fraction form
    110,064.69/165,206.39 = 50,913.63/x
  3. Step 3: Cross multiply
    110,064.69x = 165,206.39 × 50,913.63
  4. Step 4: Simplify right side
    110,064.69x = 8,411,256,759.53
  5. Step 5: Solve for x
    x = 8,411,256,759.53/110,064.69
  6. Step 6: Final answer
    x = 76,421.03

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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.