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Finding the Fourth Proportional to 66,938.50, 100,343.71 and 24,807.26

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Solution

The fourth proportional to 66,938.50, 100,343.71 and 24,807.26 is: 37,187.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,938.50 : 100,343.71 = 24,807.26 : x
  2. Step 2: Convert to fraction form
    66,938.50/100,343.71 = 24,807.26/x
  3. Step 3: Cross multiply
    66,938.50x = 100,343.71 × 24,807.26
  4. Step 4: Simplify right side
    66,938.50x = 2,489,252,503.33
  5. Step 5: Solve for x
    x = 2,489,252,503.33/66,938.50
  6. Step 6: Final answer
    x = 37,187.16

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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.