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Finding the Fourth Proportional to 96,530.46, 133,212.92 and 53,510.42

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Solution

The fourth proportional to 96,530.46, 133,212.92 and 53,510.42 is: 73,844.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,530.46 : 133,212.92 = 53,510.42 : x
  2. Step 2: Convert to fraction form
    96,530.46/133,212.92 = 53,510.42/x
  3. Step 3: Cross multiply
    96,530.46x = 133,212.92 × 53,510.42
  4. Step 4: Simplify right side
    96,530.46x = 7,128,279,099.37
  5. Step 5: Solve for x
    x = 7,128,279,099.37/96,530.46
  6. Step 6: Final answer
    x = 73,844.87

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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.