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Finding the Fourth Proportional to 134,266.70, 201,394.74 and 45,520.37

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Solution

The fourth proportional to 134,266.70, 201,394.74 and 45,520.37 is: 68,278.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,266.70 : 201,394.74 = 45,520.37 : x
  2. Step 2: Convert to fraction form
    134,266.70/201,394.74 = 45,520.37/x
  3. Step 3: Cross multiply
    134,266.70x = 201,394.74 × 45,520.37
  4. Step 4: Simplify right side
    134,266.70x = 9,167,563,080.85
  5. Step 5: Solve for x
    x = 9,167,563,080.85/134,266.70
  6. Step 6: Final answer
    x = 68,278.75

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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.