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Finding the Fourth Proportional to 180,927.70, 271,391.55 and 117,942.10

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Solution

The fourth proportional to 180,927.70, 271,391.55 and 117,942.10 is: 176,913.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,927.70 : 271,391.55 = 117,942.10 : x
  2. Step 2: Convert to fraction form
    180,927.70/271,391.55 = 117,942.10/x
  3. Step 3: Cross multiply
    180,927.70x = 271,391.55 × 117,942.10
  4. Step 4: Simplify right side
    180,927.70x = 32,008,489,329.26
  5. Step 5: Solve for x
    x = 32,008,489,329.26/180,927.70
  6. Step 6: Final answer
    x = 176,913.15

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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.