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Finding the Fourth Proportional to 142,735.40, 214,103.10 and 95,733.80

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Solution

The fourth proportional to 142,735.40, 214,103.10 and 95,733.80 is: 143,600.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,735.40 : 214,103.10 = 95,733.80 : x
  2. Step 2: Convert to fraction form
    142,735.40/214,103.10 = 95,733.80/x
  3. Step 3: Cross multiply
    142,735.40x = 214,103.10 × 95,733.80
  4. Step 4: Simplify right side
    142,735.40x = 20,496,903,354.78
  5. Step 5: Solve for x
    x = 20,496,903,354.78/142,735.40
  6. Step 6: Final answer
    x = 143,600.70

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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.