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Finding the Fourth Proportional to 179,630.40, 269,737.20 and 100,898.40

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Solution

The fourth proportional to 179,630.40, 269,737.20 and 100,898.40 is: 151,511.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,630.40 : 269,737.20 = 100,898.40 : x
  2. Step 2: Convert to fraction form
    179,630.40/269,737.20 = 100,898.40/x
  3. Step 3: Cross multiply
    179,630.40x = 269,737.20 × 100,898.40
  4. Step 4: Simplify right side
    179,630.40x = 27,216,051,900.48
  5. Step 5: Solve for x
    x = 27,216,051,900.48/179,630.40
  6. Step 6: Final answer
    x = 151,511.39

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1.5x scale

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.