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Finding the Fourth Proportional to 180,312.52, 270,229.86 and 95,890.90

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Solution

The fourth proportional to 180,312.52, 270,229.86 and 95,890.90 is: 143,709.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,312.52 : 270,229.86 = 95,890.90 : x
  2. Step 2: Convert to fraction form
    180,312.52/270,229.86 = 95,890.90/x
  3. Step 3: Cross multiply
    180,312.52x = 270,229.86 × 95,890.90
  4. Step 4: Simplify right side
    180,312.52x = 25,912,584,482.27
  5. Step 5: Solve for x
    x = 25,912,584,482.27/180,312.52
  6. Step 6: Final answer
    x = 143,709.29

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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.