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Finding the Fourth Proportional to 174,740.80, 262,111.20 and 161,910.40

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Solution

The fourth proportional to 174,740.80, 262,111.20 and 161,910.40 is: 242,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,740.80 : 262,111.20 = 161,910.40 : x
  2. Step 2: Convert to fraction form
    174,740.80/262,111.20 = 161,910.40/x
  3. Step 3: Cross multiply
    174,740.80x = 262,111.20 × 161,910.40
  4. Step 4: Simplify right side
    174,740.80x = 42,438,529,236.48
  5. Step 5: Solve for x
    x = 42,438,529,236.48/174,740.80
  6. Step 6: Final answer
    x = 242,865.60

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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.