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Finding the Fourth Proportional to 133,854.56, 200,818.56 and 108,832.40

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Solution

The fourth proportional to 133,854.56, 200,818.56 and 108,832.40 is: 163,278.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,854.56 : 200,818.56 = 108,832.40 : x
  2. Step 2: Convert to fraction form
    133,854.56/200,818.56 = 108,832.40/x
  3. Step 3: Cross multiply
    133,854.56x = 200,818.56 × 108,832.40
  4. Step 4: Simplify right side
    133,854.56x = 21,855,565,849.34
  5. Step 5: Solve for x
    x = 21,855,565,849.34/133,854.56
  6. Step 6: Final answer
    x = 163,278.46

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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.