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Finding the Fourth Proportional to 66,753.01, 100,199.84 and 65,246.82

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Solution

The fourth proportional to 66,753.01, 100,199.84 and 65,246.82 is: 97,938.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,753.01 : 100,199.84 = 65,246.82 : x
  2. Step 2: Convert to fraction form
    66,753.01/100,199.84 = 65,246.82/x
  3. Step 3: Cross multiply
    66,753.01x = 100,199.84 × 65,246.82
  4. Step 4: Simplify right side
    66,753.01x = 6,537,720,222.53
  5. Step 5: Solve for x
    x = 6,537,720,222.53/66,753.01
  6. Step 6: Final answer
    x = 97,938.96

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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.