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Finding the Fourth Proportional to 134,441.90, 201,662.85 and 113,446.70

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Solution

The fourth proportional to 134,441.90, 201,662.85 and 113,446.70 is: 170,170.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,441.90 : 201,662.85 = 113,446.70 : x
  2. Step 2: Convert to fraction form
    134,441.90/201,662.85 = 113,446.70/x
  3. Step 3: Cross multiply
    134,441.90x = 201,662.85 × 113,446.70
  4. Step 4: Simplify right side
    134,441.90x = 22,877,984,845.10
  5. Step 5: Solve for x
    x = 22,877,984,845.10/134,441.90
  6. Step 6: Final answer
    x = 170,170.05

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1.5x scale

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.