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Finding the Fourth Proportional to 173,855.60, 260,880.60 and 73,998.80

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Solution

The fourth proportional to 173,855.60, 260,880.60 and 73,998.80 is: 111,039.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,855.60 : 260,880.60 = 73,998.80 : x
  2. Step 2: Convert to fraction form
    173,855.60/260,880.60 = 73,998.80/x
  3. Step 3: Cross multiply
    173,855.60x = 260,880.60 × 73,998.80
  4. Step 4: Simplify right side
    173,855.60x = 19,304,851,343.28
  5. Step 5: Solve for x
    x = 19,304,851,343.28/173,855.60
  6. Step 6: Final answer
    x = 111,039.57

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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.