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Finding the Fourth Proportional to 259,632.21, 358,009.99 and 168,819.77

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Solution

The fourth proportional to 259,632.21, 358,009.99 and 168,819.77 is: 232,787.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,632.21 : 358,009.99 = 168,819.77 : x
  2. Step 2: Convert to fraction form
    259,632.21/358,009.99 = 168,819.77/x
  3. Step 3: Cross multiply
    259,632.21x = 358,009.99 × 168,819.77
  4. Step 4: Simplify right side
    259,632.21x = 60,439,164,169.50
  5. Step 5: Solve for x
    x = 60,439,164,169.50/259,632.21
  6. Step 6: Final answer
    x = 232,787.62

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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.