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Finding the Fourth Proportional to 66,851.84, 100,251.84 and 35,670.08

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Solution

The fourth proportional to 66,851.84, 100,251.84 and 35,670.08 is: 53,491.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,851.84 : 100,251.84 = 35,670.08 : x
  2. Step 2: Convert to fraction form
    66,851.84/100,251.84 = 35,670.08/x
  3. Step 3: Cross multiply
    66,851.84x = 100,251.84 × 35,670.08
  4. Step 4: Simplify right side
    66,851.84x = 3,575,991,152.95
  5. Step 5: Solve for x
    x = 3,575,991,152.95/66,851.84
  6. Step 6: Final answer
    x = 53,491.29

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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.