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Finding the Fourth Proportional to 283,443.55, 425,225.30 and 93,893.18

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Solution

The fourth proportional to 283,443.55, 425,225.30 and 93,893.18 is: 140,859.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,443.55 : 425,225.30 = 93,893.18 : x
  2. Step 2: Convert to fraction form
    283,443.55/425,225.30 = 93,893.18/x
  3. Step 3: Cross multiply
    283,443.55x = 425,225.30 × 93,893.18
  4. Step 4: Simplify right side
    283,443.55x = 39,925,753,037.86
  5. Step 5: Solve for x
    x = 39,925,753,037.86/283,443.55
  6. Step 6: Final answer
    x = 140,859.63

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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.