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Finding the Fourth Proportional to 174,550.80, 261,826.20 and 161,720.40

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Solution

The fourth proportional to 174,550.80, 261,826.20 and 161,720.40 is: 242,580.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,550.80 : 261,826.20 = 161,720.40 : x
  2. Step 2: Convert to fraction form
    174,550.80/261,826.20 = 161,720.40/x
  3. Step 3: Cross multiply
    174,550.80x = 261,826.20 × 161,720.40
  4. Step 4: Simplify right side
    174,550.80x = 42,342,637,794.48
  5. Step 5: Solve for x
    x = 42,342,637,794.48/174,550.80
  6. Step 6: Final answer
    x = 242,580.60

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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.