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Finding the Fourth Proportional to 133,798.92, 200,402.28 and 54,673.08

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Solution

The fourth proportional to 133,798.92, 200,402.28 and 54,673.08 is: 81,888.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,798.92 : 200,402.28 = 54,673.08 : x
  2. Step 2: Convert to fraction form
    133,798.92/200,402.28 = 54,673.08/x
  3. Step 3: Cross multiply
    133,798.92x = 200,402.28 × 54,673.08
  4. Step 4: Simplify right side
    133,798.92x = 10,956,609,886.62
  5. Step 5: Solve for x
    x = 10,956,609,886.62/133,798.92
  6. Step 6: Final answer
    x = 81,888.63

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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.