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Finding the Fourth Proportional to 141,896.84, 212,701.53 and 92,008.58

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Solution

The fourth proportional to 141,896.84, 212,701.53 and 92,008.58 is: 137,919.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,896.84 : 212,701.53 = 92,008.58 : x
  2. Step 2: Convert to fraction form
    141,896.84/212,701.53 = 92,008.58/x
  3. Step 3: Cross multiply
    141,896.84x = 212,701.53 × 92,008.58
  4. Step 4: Simplify right side
    141,896.84x = 19,570,365,739.13
  5. Step 5: Solve for x
    x = 19,570,365,739.13/141,896.84
  6. Step 6: Final answer
    x = 137,919.67

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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.