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Finding the Fourth Proportional to 93,556.80, 131,256 and 93,556.80

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Solution

The fourth proportional to 93,556.80, 131,256 and 93,556.80 is: 131,256

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,556.80 : 131,256 = 93,556.80 : x
  2. Step 2: Convert to fraction form
    93,556.80/131,256 = 93,556.80/x
  3. Step 3: Cross multiply
    93,556.80x = 131,256 × 93,556.80
  4. Step 4: Simplify right side
    93,556.80x = 12,279,891,340.80
  5. Step 5: Solve for x
    x = 12,279,891,340.80/93,556.80
  6. Step 6: Final answer
    x = 131,256

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.