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Finding the Fourth Proportional to 188,819.01, 260,577.12 and 102,773.84

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Solution

The fourth proportional to 188,819.01, 260,577.12 and 102,773.84 is: 141,831.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,819.01 : 260,577.12 = 102,773.84 : x
  2. Step 2: Convert to fraction form
    188,819.01/260,577.12 = 102,773.84/x
  3. Step 3: Cross multiply
    188,819.01x = 260,577.12 × 102,773.84
  4. Step 4: Simplify right side
    188,819.01x = 26,780,509,421.79
  5. Step 5: Solve for x
    x = 26,780,509,421.79/188,819.01
  6. Step 6: Final answer
    x = 141,831.64

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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.