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Finding the Fourth Proportional to 188,624.80, 260,300.16 and 103,743.04

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Solution

The fourth proportional to 188,624.80, 260,300.16 and 103,743.04 is: 143,164.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,624.80 : 260,300.16 = 103,743.04 : x
  2. Step 2: Convert to fraction form
    188,624.80/260,300.16 = 103,743.04/x
  3. Step 3: Cross multiply
    188,624.80x = 260,300.16 × 103,743.04
  4. Step 4: Simplify right side
    188,624.80x = 27,004,329,910.89
  5. Step 5: Solve for x
    x = 27,004,329,910.89/188,624.80
  6. Step 6: Final answer
    x = 143,164.26

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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.