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Finding the Fourth Proportional to 141,188.96, 194,847.12 and 84,599.12

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Solution

The fourth proportional to 141,188.96, 194,847.12 and 84,599.12 is: 116,750.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,188.96 : 194,847.12 = 84,599.12 : x
  2. Step 2: Convert to fraction form
    141,188.96/194,847.12 = 84,599.12/x
  3. Step 3: Cross multiply
    141,188.96x = 194,847.12 × 84,599.12
  4. Step 4: Simplify right side
    141,188.96x = 16,483,894,886.53
  5. Step 5: Solve for x
    x = 16,483,894,886.53/141,188.96
  6. Step 6: Final answer
    x = 116,750.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.