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Finding the Fourth Proportional to 179,622.90, 269,725.95 and 100,890.90

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Solution

The fourth proportional to 179,622.90, 269,725.95 and 100,890.90 is: 151,500.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,622.90 : 269,725.95 = 100,890.90 : x
  2. Step 2: Convert to fraction form
    179,622.90/269,725.95 = 100,890.90/x
  3. Step 3: Cross multiply
    179,622.90x = 269,725.95 × 100,890.90
  4. Step 4: Simplify right side
    179,622.90x = 27,212,893,848.86
  5. Step 5: Solve for x
    x = 27,212,893,848.86/179,622.90
  6. Step 6: Final answer
    x = 151,500.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.