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Finding the Fourth Proportional to 174,522.39, 261,541.39 and 79,520.40

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Solution

The fourth proportional to 174,522.39, 261,541.39 and 79,520.40 is: 119,170.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,522.39 : 261,541.39 = 79,520.40 : x
  2. Step 2: Convert to fraction form
    174,522.39/261,541.39 = 79,520.40/x
  3. Step 3: Cross multiply
    174,522.39x = 261,541.39 × 79,520.40
  4. Step 4: Simplify right side
    174,522.39x = 20,797,875,949.36
  5. Step 5: Solve for x
    x = 20,797,875,949.36/174,522.39
  6. Step 6: Final answer
    x = 119,170.24

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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.