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Finding the Fourth Proportional to 67,491.60, 101,237.40 and 45,373.20

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Solution

The fourth proportional to 67,491.60, 101,237.40 and 45,373.20 is: 68,059.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,491.60 : 101,237.40 = 45,373.20 : x
  2. Step 2: Convert to fraction form
    67,491.60/101,237.40 = 45,373.20/x
  3. Step 3: Cross multiply
    67,491.60x = 101,237.40 × 45,373.20
  4. Step 4: Simplify right side
    67,491.60x = 4,593,464,797.68
  5. Step 5: Solve for x
    x = 4,593,464,797.68/67,491.60
  6. Step 6: Final answer
    x = 68,059.80

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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.