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Finding the Fourth Proportional to 96,596.78, 133,289.11 and 55,200.65

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Solution

The fourth proportional to 96,596.78, 133,289.11 and 55,200.65 is: 76,168.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,596.78 : 133,289.11 = 55,200.65 : x
  2. Step 2: Convert to fraction form
    96,596.78/133,289.11 = 55,200.65/x
  3. Step 3: Cross multiply
    96,596.78x = 133,289.11 × 55,200.65
  4. Step 4: Simplify right side
    96,596.78x = 7,357,645,509.92
  5. Step 5: Solve for x
    x = 7,357,645,509.92/96,596.78
  6. Step 6: Final answer
    x = 76,168.64

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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.