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Finding the Fourth Proportional to 234,060.84, 323,015.58 and 143,421.84

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Solution

The fourth proportional to 234,060.84, 323,015.58 and 143,421.84 is: 197,929.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,060.84 : 323,015.58 = 143,421.84 : x
  2. Step 2: Convert to fraction form
    234,060.84/323,015.58 = 143,421.84/x
  3. Step 3: Cross multiply
    234,060.84x = 323,015.58 × 143,421.84
  4. Step 4: Simplify right side
    234,060.84x = 46,327,488,832.27
  5. Step 5: Solve for x
    x = 46,327,488,832.27/234,060.84
  6. Step 6: Final answer
    x = 197,929.26

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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.