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Finding the Fourth Proportional to 220,357.14, 330,476.67 and 95,668.50

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Solution

The fourth proportional to 220,357.14, 330,476.67 and 95,668.50 is: 143,477.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,357.14 : 330,476.67 = 95,668.50 : x
  2. Step 2: Convert to fraction form
    220,357.14/330,476.67 = 95,668.50/x
  3. Step 3: Cross multiply
    220,357.14x = 330,476.67 × 95,668.50
  4. Step 4: Simplify right side
    220,357.14x = 31,616,207,303.90
  5. Step 5: Solve for x
    x = 31,616,207,303.90/220,357.14
  6. Step 6: Final answer
    x = 143,477.12

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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.