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Finding the Fourth Proportional to 133,342.64, 199,861.68 and 44,575.28

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Solution

The fourth proportional to 133,342.64, 199,861.68 and 44,575.28 is: 66,812.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,342.64 : 199,861.68 = 44,575.28 : x
  2. Step 2: Convert to fraction form
    133,342.64/199,861.68 = 44,575.28/x
  3. Step 3: Cross multiply
    133,342.64x = 199,861.68 × 44,575.28
  4. Step 4: Simplify right side
    133,342.64x = 8,908,890,347.27
  5. Step 5: Solve for x
    x = 8,908,890,347.27/133,342.64
  6. Step 6: Final answer
    x = 66,812.01

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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.