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Finding the Fourth Proportional to 103,329.30, 154,698.30 and 63,619.05

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Solution

The fourth proportional to 103,329.30, 154,698.30 and 63,619.05 is: 95,246.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,329.30 : 154,698.30 = 63,619.05 : x
  2. Step 2: Convert to fraction form
    103,329.30/154,698.30 = 63,619.05/x
  3. Step 3: Cross multiply
    103,329.30x = 154,698.30 × 63,619.05
  4. Step 4: Simplify right side
    103,329.30x = 9,841,758,882.62
  5. Step 5: Solve for x
    x = 9,841,758,882.62/103,329.30
  6. Step 6: Final answer
    x = 95,246.55

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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.