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Finding the Fourth Proportional to 234,491.22, 323,603.85 and 143,897.22

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Solution

The fourth proportional to 234,491.22, 323,603.85 and 143,897.22 is: 198,581.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,491.22 : 323,603.85 = 143,897.22 : x
  2. Step 2: Convert to fraction form
    234,491.22/323,603.85 = 143,897.22/x
  3. Step 3: Cross multiply
    234,491.22x = 323,603.85 × 143,897.22
  4. Step 4: Simplify right side
    234,491.22x = 46,565,694,396.30
  5. Step 5: Solve for x
    x = 46,565,694,396.30/234,491.22
  6. Step 6: Final answer
    x = 198,581.82

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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.