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Finding the Fourth Proportional to 146,815.88, 220,223.88 and 63,709.88

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Solution

The fourth proportional to 146,815.88, 220,223.88 and 63,709.88 is: 95,564.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,815.88 : 220,223.88 = 63,709.88 : x
  2. Step 2: Convert to fraction form
    146,815.88/220,223.88 = 63,709.88/x
  3. Step 3: Cross multiply
    146,815.88x = 220,223.88 × 63,709.88
  4. Step 4: Simplify right side
    146,815.88x = 14,030,435,866.82
  5. Step 5: Solve for x
    x = 14,030,435,866.82/146,815.88
  6. Step 6: Final answer
    x = 95,564.84

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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.