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Finding the Fourth Proportional to 283,572.20, 425,415.90 and 96,602.60

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Solution

The fourth proportional to 283,572.20, 425,415.90 and 96,602.60 is: 144,923.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,572.20 : 425,415.90 = 96,602.60 : x
  2. Step 2: Convert to fraction form
    283,572.20/425,415.90 = 96,602.60/x
  3. Step 3: Cross multiply
    283,572.20x = 425,415.90 × 96,602.60
  4. Step 4: Simplify right side
    283,572.20x = 41,096,282,021.34
  5. Step 5: Solve for x
    x = 41,096,282,021.34/283,572.20
  6. Step 6: Final answer
    x = 144,923.52

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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.