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Finding the Fourth Proportional to 95,556.80, 131,868.36 and 53,115.40

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Solution

The fourth proportional to 95,556.80, 131,868.36 and 53,115.40 is: 73,299.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,556.80 : 131,868.36 = 53,115.40 : x
  2. Step 2: Convert to fraction form
    95,556.80/131,868.36 = 53,115.40/x
  3. Step 3: Cross multiply
    95,556.80x = 131,868.36 × 53,115.40
  4. Step 4: Simplify right side
    95,556.80x = 7,004,240,688.74
  5. Step 5: Solve for x
    x = 7,004,240,688.74/95,556.80
  6. Step 6: Final answer
    x = 73,299.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.