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Finding the Fourth Proportional to 188,404.68, 259,998.66 and 103,526.76

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Solution

The fourth proportional to 188,404.68, 259,998.66 and 103,526.76 is: 142,867.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,404.68 : 259,998.66 = 103,526.76 : x
  2. Step 2: Convert to fraction form
    188,404.68/259,998.66 = 103,526.76/x
  3. Step 3: Cross multiply
    188,404.68x = 259,998.66 × 103,526.76
  4. Step 4: Simplify right side
    188,404.68x = 26,916,818,874.14
  5. Step 5: Solve for x
    x = 26,916,818,874.14/188,404.68
  6. Step 6: Final answer
    x = 142,867.04

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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.