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Finding the Fourth Proportional to 174,024.40, 260,863.80 and 80,366.80

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Solution

The fourth proportional to 174,024.40, 260,863.80 and 80,366.80 is: 120,470.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,024.40 : 260,863.80 = 80,366.80 : x
  2. Step 2: Convert to fraction form
    174,024.40/260,863.80 = 80,366.80/x
  3. Step 3: Cross multiply
    174,024.40x = 260,863.80 × 80,366.80
  4. Step 4: Simplify right side
    174,024.40x = 20,964,788,841.84
  5. Step 5: Solve for x
    x = 20,964,788,841.84/174,024.40
  6. Step 6: Final answer
    x = 120,470.40

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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.