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Finding the Fourth Proportional to 188,479.48, 260,095.08 and 103,596

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Solution

The fourth proportional to 188,479.48, 260,095.08 and 103,596 is: 142,958.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,479.48 : 260,095.08 = 103,596 : x
  2. Step 2: Convert to fraction form
    188,479.48/260,095.08 = 103,596/x
  3. Step 3: Cross multiply
    188,479.48x = 260,095.08 × 103,596
  4. Step 4: Simplify right side
    188,479.48x = 26,944,809,907.68
  5. Step 5: Solve for x
    x = 26,944,809,907.68/188,479.48
  6. Step 6: Final answer
    x = 142,958.85

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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.