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Finding the Fourth Proportional to 188,798.92, 260,544.27 and 103,917.94

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Solution

The fourth proportional to 188,798.92, 260,544.27 and 103,917.94 is: 143,407.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,798.92 : 260,544.27 = 103,917.94 : x
  2. Step 2: Convert to fraction form
    188,798.92/260,544.27 = 103,917.94/x
  3. Step 3: Cross multiply
    188,798.92x = 260,544.27 × 103,917.94
  4. Step 4: Simplify right side
    188,798.92x = 27,075,223,817.20
  5. Step 5: Solve for x
    x = 27,075,223,817.20/188,798.92
  6. Step 6: Final answer
    x = 143,407.73

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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.