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Finding the Fourth Proportional to 174,558.80, 261,838.20 and 161,728.40

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Solution

The fourth proportional to 174,558.80, 261,838.20 and 161,728.40 is: 242,592.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,558.80 : 261,838.20 = 161,728.40 : x
  2. Step 2: Convert to fraction form
    174,558.80/261,838.20 = 161,728.40/x
  3. Step 3: Cross multiply
    174,558.80x = 261,838.20 × 161,728.40
  4. Step 4: Simplify right side
    174,558.80x = 42,346,673,144.88
  5. Step 5: Solve for x
    x = 42,346,673,144.88/174,558.80
  6. Step 6: Final answer
    x = 242,592.60

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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.