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Finding the Fourth Proportional to 283,881.60, 425,793.60 and 96,890.40

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Solution

The fourth proportional to 283,881.60, 425,793.60 and 96,890.40 is: 145,325.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,881.60 : 425,793.60 = 96,890.40 : x
  2. Step 2: Convert to fraction form
    283,881.60/425,793.60 = 96,890.40/x
  3. Step 3: Cross multiply
    283,881.60x = 425,793.60 × 96,890.40
  4. Step 4: Simplify right side
    283,881.60x = 41,255,312,221.44
  5. Step 5: Solve for x
    x = 41,255,312,221.44/283,881.60
  6. Step 6: Final answer
    x = 145,325.77

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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.