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Finding the Fourth Proportional to 110,559.36, 165,839.04 and 40,400.40

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Solution

The fourth proportional to 110,559.36, 165,839.04 and 40,400.40 is: 60,600.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,559.36 : 165,839.04 = 40,400.40 : x
  2. Step 2: Convert to fraction form
    110,559.36/165,839.04 = 40,400.40/x
  3. Step 3: Cross multiply
    110,559.36x = 165,839.04 × 40,400.40
  4. Step 4: Simplify right side
    110,559.36x = 6,699,963,551.62
  5. Step 5: Solve for x
    x = 6,699,963,551.62/110,559.36
  6. Step 6: Final answer
    x = 60,600.60

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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.