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Finding the Fourth Proportional to 66,250.84, 99,376.98 and 19,504.60

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Solution

The fourth proportional to 66,250.84, 99,376.98 and 19,504.60 is: 29,257.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,250.84 : 99,376.98 = 19,504.60 : x
  2. Step 2: Convert to fraction form
    66,250.84/99,376.98 = 19,504.60/x
  3. Step 3: Cross multiply
    66,250.84x = 99,376.98 × 19,504.60
  4. Step 4: Simplify right side
    66,250.84x = 1,938,308,244.11
  5. Step 5: Solve for x
    x = 1,938,308,244.11/66,250.84
  6. Step 6: Final answer
    x = 29,257.11

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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.