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Finding the Fourth Proportional to 133,903.19, 200,714.62 and 45,126.02

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Solution

The fourth proportional to 133,903.19, 200,714.62 and 45,126.02 is: 67,641.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,903.19 : 200,714.62 = 45,126.02 : x
  2. Step 2: Convert to fraction form
    133,903.19/200,714.62 = 45,126.02/x
  3. Step 3: Cross multiply
    133,903.19x = 200,714.62 × 45,126.02
  4. Step 4: Simplify right side
    133,903.19x = 9,057,451,956.41
  5. Step 5: Solve for x
    x = 9,057,451,956.41/133,903.19
  6. Step 6: Final answer
    x = 67,641.79

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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.