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Finding the Fourth Proportional to 181,294.80, 271,942.20 and 114,518.40

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Solution

The fourth proportional to 181,294.80, 271,942.20 and 114,518.40 is: 171,777.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,294.80 : 271,942.20 = 114,518.40 : x
  2. Step 2: Convert to fraction form
    181,294.80/271,942.20 = 114,518.40/x
  3. Step 3: Cross multiply
    181,294.80x = 271,942.20 × 114,518.40
  4. Step 4: Simplify right side
    181,294.80x = 31,142,385,636.48
  5. Step 5: Solve for x
    x = 31,142,385,636.48/181,294.80
  6. Step 6: Final answer
    x = 171,777.60

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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.