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Finding the Fourth Proportional to 219,963.58, 303,179.70 and 168,262.90

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Solution

The fourth proportional to 219,963.58, 303,179.70 and 168,262.90 is: 231,919.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,963.58 : 303,179.70 = 168,262.90 : x
  2. Step 2: Convert to fraction form
    219,963.58/303,179.70 = 168,262.90/x
  3. Step 3: Cross multiply
    219,963.58x = 303,179.70 × 168,262.90
  4. Step 4: Simplify right side
    219,963.58x = 51,013,895,543.13
  5. Step 5: Solve for x
    x = 51,013,895,543.13/219,963.58
  6. Step 6: Final answer
    x = 231,919.74

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1.5x scale

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.