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Finding the Fourth Proportional to 66,895.94, 100,376.52 and 29,451.26

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Solution

The fourth proportional to 66,895.94, 100,376.52 and 29,451.26 is: 44,191.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,895.94 : 100,376.52 = 29,451.26 : x
  2. Step 2: Convert to fraction form
    66,895.94/100,376.52 = 29,451.26/x
  3. Step 3: Cross multiply
    66,895.94x = 100,376.52 × 29,451.26
  4. Step 4: Simplify right side
    66,895.94x = 2,956,214,988.42
  5. Step 5: Solve for x
    x = 2,956,214,988.42/66,895.94
  6. Step 6: Final answer
    x = 44,191.25

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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.