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Finding the Fourth Proportional to 174,022.40, 260,860.80 and 80,364.80

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Solution

The fourth proportional to 174,022.40, 260,860.80 and 80,364.80 is: 120,467.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,022.40 : 260,860.80 = 80,364.80 : x
  2. Step 2: Convert to fraction form
    174,022.40/260,860.80 = 80,364.80/x
  3. Step 3: Cross multiply
    174,022.40x = 260,860.80 × 80,364.80
  4. Step 4: Simplify right side
    174,022.40x = 20,964,026,019.84
  5. Step 5: Solve for x
    x = 20,964,026,019.84/174,022.40
  6. Step 6: Final answer
    x = 120,467.40

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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.