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Finding the Fourth Proportional to 101,145.54, 151,706.52 and 63,594.78

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Solution

The fourth proportional to 101,145.54, 151,706.52 and 63,594.78 is: 95,384.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,145.54 : 151,706.52 = 63,594.78 : x
  2. Step 2: Convert to fraction form
    101,145.54/151,706.52 = 63,594.78/x
  3. Step 3: Cross multiply
    101,145.54x = 151,706.52 × 63,594.78
  4. Step 4: Simplify right side
    101,145.54x = 9,647,742,763.97
  5. Step 5: Solve for x
    x = 9,647,742,763.97/101,145.54
  6. Step 6: Final answer
    x = 95,384.76

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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.