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Finding the Fourth Proportional to 96,211.60, 144,220.20 and 43,658.80

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Solution

The fourth proportional to 96,211.60, 144,220.20 and 43,658.80 is: 65,444.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,211.60 : 144,220.20 = 43,658.80 : x
  2. Step 2: Convert to fraction form
    96,211.60/144,220.20 = 43,658.80/x
  3. Step 3: Cross multiply
    96,211.60x = 144,220.20 × 43,658.80
  4. Step 4: Simplify right side
    96,211.60x = 6,296,480,867.76
  5. Step 5: Solve for x
    x = 6,296,480,867.76/96,211.60
  6. Step 6: Final answer
    x = 65,444.09

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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.