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Finding the Fourth Proportional to 160,353.70, 240,530.55 and 66,847.30

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Solution

The fourth proportional to 160,353.70, 240,530.55 and 66,847.30 is: 100,270.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,353.70 : 240,530.55 = 66,847.30 : x
  2. Step 2: Convert to fraction form
    160,353.70/240,530.55 = 66,847.30/x
  3. Step 3: Cross multiply
    160,353.70x = 240,530.55 × 66,847.30
  4. Step 4: Simplify right side
    160,353.70x = 16,078,817,835.02
  5. Step 5: Solve for x
    x = 16,078,817,835.02/160,353.70
  6. Step 6: Final answer
    x = 100,270.95

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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.