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Finding the Fourth Proportional to 219,885.52, 303,389.69 and 133,843.58

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Solution

The fourth proportional to 219,885.52, 303,389.69 and 133,843.58 is: 184,672.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,885.52 : 303,389.69 = 133,843.58 : x
  2. Step 2: Convert to fraction form
    219,885.52/303,389.69 = 133,843.58/x
  3. Step 3: Cross multiply
    219,885.52x = 303,389.69 × 133,843.58
  4. Step 4: Simplify right side
    219,885.52x = 40,606,762,244.69
  5. Step 5: Solve for x
    x = 40,606,762,244.69/219,885.52
  6. Step 6: Final answer
    x = 184,672.29

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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.